Company lists · Data refreshed October 2026
Top 25 Certified diamond wholesalers based in London, United Kingdom
RevenueBase identified 131 company matches for certified diamond wholesalers associated with London, United Kingdom as of October 2026 and tracks 1,418 professional contacts across them, including 312 with verified work emails. Across the United Kingdom, London is the largest hub for this category.
This list covers company matches for certified diamond wholesalers associated with London, United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 9, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest certified diamond wholesalers based in London, United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 370 contacts → | ||||
Exact match “Monica Vinader is a global, award-winning leader in responsible jewellery.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 2 | 179 contacts → | ||||
Exact match “Peace of mind, Assured.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 3 | 106 contacts → | ||||
Exact match “Here at Diamonds Factory, we’re all about making those all important milestones matter.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 4 | 26 contacts → | ||||
Exact match “Founded in 1987, and for over 30 years has become synonymous with high-quality jewellery at competitive prices.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 5 | 10 contacts → | ||||
Exact match “We are the modern-day fine jewellery wholesaler; utilising the latest technologies in both manufacture and logistics to deliver growth for your business, consciously and…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 6 | 10 contacts → | ||||
Exact match “Shining Diamonds is an online luxury jewellery destination, offering diamond jewellery including engagement rings, diamond rings, earrings, pendants, wedding bands and necklaces.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 7 | 6 contacts → | ||||
Exact match “For more than 130 years, Hennig has stood at the forefront of the global diamond industry.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 8 | 6 contacts → | ||||
Exact match “Haruni Jewellery has been sourcing, stocking and suppling gemstones for fine jewellery for 3 generations.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 9 | 6 contacts → | ||||
Exact match “As the world’s oldest diamond company (est.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 10 | 5 contacts → | ||||
Exact match “Quality Diamonds are wholly committed to providing the very best diamond buying experience.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 11 | 5 contacts → | ||||
Exact match “ALAN BICK LIMITED is a diamond merchants and jewellery manufacturers, based out of 100 Hatton Garden, Holborn, LONDON, United Kingdom.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 12 | 5 contacts → | ||||
Exact match “Founded in 1985, Emdico (London) Limited is a diamond specialist with a strong global presence.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 13 | 4 contacts → | ||||
Exact match “Bobby White is a London-based creative jewellery powerhouse founded by designer Bobby in 2004.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 14 | 4 contacts → | ||||
Exact match “Herbert Marx Jewellery Ltd is the UK's leading manufacturer, importer, wholesaler and distributer of fine diamond, gold, gemstone, and pearl jewellery set in 9ct, 18ct and…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 15 | 3 contacts → | ||||
Exact match “Monnickendam Diamonds is one of the oldest and largest sellers of loose and certified diamonds in the UK.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 16 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 17 | 3 contacts → | ||||
Exact match “Sunshine Exim was established in 1989.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 18 | 3 contacts → | ||||
Exact match “OR Trading is a specialist production partner for premium and luxury jewellery brands.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 19 | 3 contacts → | ||||
Exact match “Manufacturing and Wholesale Jewellers, suppliers to retail jewellers and wholesalers.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 20 | 2 contacts → | ||||
Exact match “G.F.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 21 | 2 contacts → | ||||
Exact match “We help people design and buy beautiful bespoke diamond and gemstone jewellery.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 22 | 2 contacts → | ||||
Exact match “We provide gorgeous diamonds without the large price tag, for investment portfolios.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 23 | 2 contacts → | ||||
Exact match “We're motivated to change the status-quo relationship between client and manufacturer.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 24 | 2 contacts → | ||||
Exact match “The Gem Bank: Gain access to my extensive collection of gemstones and diamonds online.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 25 | 1 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “certified diamond wholesalers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 131 certified diamond wholesalers based in London, United Kingdom
See the full list, filter by size, metro and specialty, and access 312 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Certified diamond wholesalers based in London, United Kingdom at a glance
As of Oct 9, 2026Companies by employee count
Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 131 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with London, United Kingdom whose business descriptions match “certified diamond wholesalers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 312 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on October 9, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “certified diamond wholesalers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many certified diamond wholesalers are there based in London, United Kingdom?
RevenueBase identified 131 company matches for certified diamond wholesalers associated with London, United Kingdom as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Monica Vinader tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in the United Kingdom has the most certified diamond wholesalers?
London leads the United Kingdom with 131 company records, followed by Birmingham (11) and Bristol (3).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 312 professional contacts with verified work emails tracked across these 131 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 9, 2026.
Ready to reach these companies? Verified emails and direct dials for all 131 certified diamond wholesalers based in London, United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Certified diamond wholesalers by geography
- Certified diamond wholesalers based in Sydney, Australia
- Certified diamond wholesalers based in Antwerp, Belgium
- Certified diamond wholesalers based in Toronto, Canada
- Certified diamond wholesalers based in Jaipur, India
- Certified diamond wholesalers based in Mumbai, India
- Certified diamond wholesalers based in New Delhi, India
- Certified diamond wholesalers based in Surat, India
- Certified diamond wholesalers based in Ramat Gan, Israel
- Certified diamond wholesalers based in Bangkok, Thailand
- Certified diamond wholesalers based in Dubai, United Arab Emirates
- Certified diamond wholesalers based in Chicago, United States
- Certified diamond wholesalers based in Dallas, United States
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Certified diamond wholesalers based in Sydney, Australia
- Certified diamond wholesalers based in Antwerp, Belgium
- Certified diamond wholesalers based in Toronto, Canada
- Certified diamond wholesalers based in Jaipur, India
- Certified diamond wholesalers based in Mumbai, India
- Certified diamond wholesalers based in New Delhi, India
Company intelligence · public preview
Top 25 certified diamond wholesalers based in London, United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 131 matching company records for certified diamond wholesalers based in London, United Kingdom, with 1,418 tracked contacts and 312 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 9, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 certified diamond wholesalers based in London, United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Monica Vinadermonicavinader.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 370 contacts → |
“Monica Vinader is a global, award-winning leader in responsible jewellery.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | SGL Labssgl-labs.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 179 contacts → |
“Peace of mind, Assured.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Diamonds Factorydiamondsfactory.co.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 106 contacts → |
“Here at Diamonds Factory, we’re all about making those all important milestones matter.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Beverley Hills Groupbeverleyhillsjewellers.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 26 contacts → |
“Founded in 1987, and for over 30 years has become synonymous with high-quality jewellery at competitive prices.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | BJB Limitedbjbuk.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 10 contacts → |
“We are the modern-day fine jewellery wholesaler; utilising the latest technologies in both manufacture and logistics to deliver growth for your business, consciously and…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Shining Diamondsshiningdiamonds.co.ukHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 10 contacts → |
“Shining Diamonds is an online luxury jewellery destination, offering diamond jewellery including engagement rings, diamond rings, earrings, pendants, wedding bands and necklaces.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | I Hennig & Co. LTDihennig.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 6 contacts → |
“For more than 130 years, Hennig has stood at the forefront of the global diamond industry.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Haruni Jewelleryharunijewellery.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 6 contacts → |
“Haruni Jewellery has been sourcing, stocking and suppling gemstones for fine jewellery for 3 generations.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Backes & Straussbackesandstrauss.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 6 contacts → |
“As the world’s oldest diamond company (est.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Quality Diamondsqualitydiamonds.co.ukHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“Quality Diamonds are wholly committed to providing the very best diamond buying experience.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Alan Bick Limitedalanbick.co.ukHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“ALAN BICK LIMITED is a diamond merchants and jewellery manufacturers, based out of 100 Hatton Garden, Holborn, LONDON, United Kingdom.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Emdicoemdico.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 5 contacts → |
“Founded in 1985, Emdico (London) Limited is a diamond specialist with a strong global presence.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Bobby White Limitedbobbywhite.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Bobby White is a London-based creative jewellery powerhouse founded by designer Bobby in 2004.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Herbert Marx Jewelleryherbertmarx.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 4 contacts → |
“Herbert Marx Jewellery Ltd is the UK's leading manufacturer, importer, wholesaler and distributer of fine diamond, gold, gemstone, and pearl jewellery set in 9ct, 18ct and…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Monnickendam Diamondsmonnickendam.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 3 contacts → |
“Monnickendam Diamonds is one of the oldest and largest sellers of loose and certified diamonds in the UK.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Bass Premier CObasspremier.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 |  Sunshine Exim LTDsunshineexim.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Sunshine Exim was established in 1989.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | OR Tradingortrading.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“OR Trading is a specialist production partner for premium and luxury jewellery brands.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | JN Jewellery LTDjnjewellery.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Manufacturing and Wholesale Jewellers, suppliers to retail jewellers and wholesalers.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | G.F. Williams & COgfwilliams.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“G.F.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Alicia J Diamondsaliciajdiamonds.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“We help people design and buy beautiful bespoke diamond and gemstone jewellery.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | ECN Jewels, Owned By ECN Investments LTDecninvestments.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“We provide gorgeous diamonds without the large price tag, for investment portfolios.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Future Productionfuture-production.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“We're motivated to change the status-quo relationship between client and manufacturer.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Thegembankthegembank.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“The Gem Bank: Gain access to my extensive collection of gemstones and diamonds online.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Marcus Mccallum Limitedmarcusmccallum.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 131 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Certified diamond wholesalers: dataset insights
October 9, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
129 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 131 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 9, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for certified diamond wholesalers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many certified diamond wholesalers did RevenueBase find based in London, United Kingdom?
The saved snapshot records 131 matching company records, 1,418 tracked contacts and 312 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 9, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Certified diamond wholesalers by geography
- Certified diamond wholesalers based in Sydney, Australia
- Certified diamond wholesalers based in Antwerp, Belgium
- Certified diamond wholesalers based in Toronto, Canada
- Certified diamond wholesalers based in Jaipur, India
- Certified diamond wholesalers based in Mumbai, India
- Certified diamond wholesalers based in New Delhi, India
- Certified diamond wholesalers based in Surat, India
- Certified diamond wholesalers based in Ramat Gan, Israel
- Certified diamond wholesalers based in Bangkok, Thailand
- Certified diamond wholesalers based in Dubai, United Arab Emirates
- Certified diamond wholesalers based in Chicago, United States
- Certified diamond wholesalers based in Dallas, United States
Cite this list
RevenueBase Data Team. Top 25 certified diamond wholesalers based in London, United Kingdom. Snapshot: October 9, 2026. https://revenuebase.ai/companies/certified-diamond-wholesalers/united-kingdom/london.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Certified diamond wholesalers based in Sydney, Australia
- Certified diamond wholesalers based in Antwerp, Belgium
- Certified diamond wholesalers based in Toronto, Canada
- Certified diamond wholesalers based in Jaipur, India
- Certified diamond wholesalers based in Mumbai, India
- Certified diamond wholesalers based in New Delhi, India
Company intelligence · public preview
Top 25 certified diamond wholesalers based in London, United Kingdom
RevenueBase records 131 matching company records for certified diamond wholesalers based in London, United Kingdom, with 1,418 tracked contacts and 312 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 9, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 certified diamond wholesalers based in London, United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Monica Vinadermonicavinader.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 370 contacts → |
“Monica Vinader is a global, award-winning leader in responsible jewellery.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | SGL Labssgl-labs.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 179 contacts → |
“Peace of mind, Assured.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Diamonds Factorydiamondsfactory.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 106 contacts → |
“Here at Diamonds Factory, we’re all about making those all important milestones matter.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Beverley Hills Groupbeverleyhillsjewellers.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 26 contacts → |
“Founded in 1987, and for over 30 years has become synonymous with high-quality jewellery at competitive prices.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | BJB Limitedbjbuk.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 10 contacts → |
“We are the modern-day fine jewellery wholesaler; utilising the latest technologies in both manufacture and logistics to deliver growth for your business, consciously and…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Shining Diamondsshiningdiamonds.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 10 contacts → |
“Shining Diamonds is an online luxury jewellery destination, offering diamond jewellery including engagement rings, diamond rings, earrings, pendants, wedding bands and necklaces.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | I Hennig & Co. LTDihennig.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 6 contacts → |
“For more than 130 years, Hennig has stood at the forefront of the global diamond industry.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Haruni Jewelleryharunijewellery.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 6 contacts → |
“Haruni Jewellery has been sourcing, stocking and suppling gemstones for fine jewellery for 3 generations.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Backes & Straussbackesandstrauss.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 6 contacts → |
“As the world’s oldest diamond company (est.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Quality Diamondsqualitydiamonds.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“Quality Diamonds are wholly committed to providing the very best diamond buying experience.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Alan Bick Limitedalanbick.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“ALAN BICK LIMITED is a diamond merchants and jewellery manufacturers, based out of 100 Hatton Garden, Holborn, LONDON, United Kingdom.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Emdicoemdico.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 5 contacts → |
“Founded in 1985, Emdico (London) Limited is a diamond specialist with a strong global presence.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Bobby White Limitedbobbywhite.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Bobby White is a London-based creative jewellery powerhouse founded by designer Bobby in 2004.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Herbert Marx Jewelleryherbertmarx.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 4 contacts → |
“Herbert Marx Jewellery Ltd is the UK's leading manufacturer, importer, wholesaler and distributer of fine diamond, gold, gemstone, and pearl jewellery set in 9ct, 18ct and…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Monnickendam Diamondsmonnickendam.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 3 contacts → |
“Monnickendam Diamonds is one of the oldest and largest sellers of loose and certified diamonds in the UK.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Bass Premier CObasspremier.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Sunshine Exim LTDsunshineexim.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Sunshine Exim was established in 1989.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | OR Tradingortrading.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“OR Trading is a specialist production partner for premium and luxury jewellery brands.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | JN Jewellery LTDjnjewellery.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Manufacturing and Wholesale Jewellers, suppliers to retail jewellers and wholesalers.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | G.F. Williams & COgfwilliams.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“G.F.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Alicia J Diamondsaliciajdiamonds.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“We help people design and buy beautiful bespoke diamond and gemstone jewellery.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | ECN Jewels, Owned By ECN Investments LTDecninvestments.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“We provide gorgeous diamonds without the large price tag, for investment portfolios.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Future Productionfuture-production.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“We're motivated to change the status-quo relationship between client and manufacturer.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Thegembankthegembank.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“The Gem Bank: Gain access to my extensive collection of gemstones and diamonds online.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Marcus Mccallum Limitedmarcusmccallum.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 131 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Certified diamond wholesalers: dataset insights
October 9, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
129 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 131 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 9, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for certified diamond wholesalers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many certified diamond wholesalers did RevenueBase find based in London, United Kingdom?
The saved snapshot records 131 matching company records, 1,418 tracked contacts and 312 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 9, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Certified diamond wholesalers by geography
- Certified diamond wholesalers based in Sydney, Australia
- Certified diamond wholesalers based in Antwerp, Belgium
- Certified diamond wholesalers based in Toronto, Canada
- Certified diamond wholesalers based in Jaipur, India
- Certified diamond wholesalers based in Mumbai, India
- Certified diamond wholesalers based in New Delhi, India
- Certified diamond wholesalers based in Surat, India
- Certified diamond wholesalers based in Ramat Gan, Israel
- Certified diamond wholesalers based in Bangkok, Thailand
- Certified diamond wholesalers based in Dubai, United Arab Emirates
- Certified diamond wholesalers based in Chicago, United States
- Certified diamond wholesalers based in Dallas, United States
Cite this list
RevenueBase Data Team. Top 25 certified diamond wholesalers based in London, United Kingdom. Snapshot: October 9, 2026. https://revenuebase.ai/companies/certified-diamond-wholesalers/united-kingdom/london.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Certified diamond wholesalers based in Sydney, Australia
- Certified diamond wholesalers based in Antwerp, Belgium
- Certified diamond wholesalers based in Toronto, Canada
- Certified diamond wholesalers based in Jaipur, India
- Certified diamond wholesalers based in Mumbai, India
- Certified diamond wholesalers based in New Delhi, India