Company lists · Data refreshed September 2026

Top 25 Custom diamond jewelry makers based in the United Kingdom

RevenueBase identified 632 company matches for custom diamond jewelry makers associated with the United Kingdom as of September 2026 and tracks 3,490 professional contacts across them, including 833 with verified work emails. London is the largest hub.

This list covers company matches for custom diamond jewelry makers associated with the 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 September 19, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 19, 2026 How this list was built
632Companies
3,490Contacts tracked
833Verified emails
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The 25 largest custom diamond jewelry makers based in the United Kingdom

Ranked by team size
Top 25 of 632 company matches for custom diamond jewelry makers based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLondon, United KingdomHQ recorded Sep 19, 202651-200104 contacts →

Exact match

“Jessica McCormack is a London-based diamond jewellery brand renowned for its distinctive antique-meets-modern aesthetic.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Sep 19, 202651-20069 contacts →

Exact match

“At Taylor & Hart we develop designs that capture exactly how you feel and express what words alone simply can’t.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 19, 202651-20065 contacts →

Exact match

“Austen & Blake specialises in beautiful, handcrafted jewellery.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 19, 202651-20059 contacts →

Exact match

“At Queensmith, we believe jewellery should be as unique as the stories it represents.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchBirmingham, United KingdomHQ recorded Sep 19, 202651-20052 contacts →

Exact match

“One of the UK’s leading manufacturers of bridal and fine jewellery in platinum and 18ct, 14ct or 9ct gold alloys.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchAshbourne, United KingdomHQ recorded Sep 19, 202651-20044 contacts →

Exact match

“Established in 1979, C W Sellors Jewellers is a leading UK fine jewellery and luxury watch specialist.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Sep 19, 202651-20040 contacts →

Exact match

“Founded in London in 1735, Garrard is the oldest jewellery house in the world, a Royal Warrant holder and creator of some of the most famous jewels of all time.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8Exact matchBirmingham, United KingdomHQ recorded Sep 19, 202651-20034 contacts →

Exact match

“For more than seven decades, we have had the privilege of collaborating with a diverse array of customers, forging relationships throughout the jewellery industry and beyond.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchHatfield, United KingdomHQ recorded Sep 19, 202651-20032 contacts →

Exact match

“Brown & Newirth® have been creating the finest wedding and partnership rings since 1967.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact matchBirmingham, United KingdomHQ recorded Sep 19, 202651-20029 contacts →

Exact match

“Established in 2004, Diamond Heaven is an award winning jeweller based in the U.K’s historic Jewellery Quarter, Birmingham.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Sep 19, 202611-5026 contacts →

Exact match

“Carolina Bucci makes inspiring, distinctive jewellery designed with a reverence for craftsmanship and executed with elegance.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Sep 19, 202611-5026 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 · Sep 19, 2026 · View company records in RevenueBase
13Exact matchBrighton, United KingdomHQ recorded Sep 19, 202651-20024 contacts →

Exact match

“Posh Totty Designs is the original award winning hand-stamped jewellery company, based in Brighton where we design, hand make and personalise every design to order in our workshop.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Sep 19, 202611-5023 contacts →

Exact match

“For over 30 years, Henig Diamonds has been at the heart of the UK diamond trade, proudly supplying jewellers, wholesalers, and retailers across Europe.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 19, 202611-5022 contacts →

Exact match

“A Life of Colour since 1985.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Sep 19, 202611-5021 contacts →

Exact match

“Fenton is a fine jeweller based in the heart of Mayfair specialising in responsibly-sourced coloured gemstones and Solar Diamonds created by sunlight.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchHalls Green, United KingdomHQ recorded Sep 19, 202611-5020 contacts →

Exact match

“Harriet Kelsall Bespoke Jewellery began life in 1998 on Harriet's kitchen table.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Sep 19, 202611-5018 contacts →

Exact match

“A family name that stands for quality.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchClerkenwell, United KingdomHQ recorded Sep 19, 202611-5017 contacts →

Exact match

“Mireya UK Ltd prides itself in offering integrated business solutions for diamond & diamond jewellery retailers.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchLiverpool, United KingdomHQ recorded Sep 19, 202611-5017 contacts →

Exact match

“For over 45 years, Wongs Jewellers has been at the heart of Liverpool, helping generations of customers mark life’s most meaningful moments with beautifully crafted jewellery.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Sep 19, 20261-1016 contacts →

Exact match

“Kimai is a fine jewelry brand creating delicate designs using only lab-grown diamonds & 18k recycled gold.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Sep 19, 202611-5016 contacts →

Exact match

“Welcome to A Jewellers, where craftsmanship meets elegance.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchSheffield, United KingdomHQ recorded Sep 19, 202611-5015 contacts →

Exact match

“Tech-loving designers Unique rings Consciously sourced gems Friendly Sheffield & Online”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchMayfair, United KingdomHQ recorded Sep 19, 202651-20014 contacts →

Exact match

“World renowned Jewellery designs, Catherine Best has excelled in excellence and craftsmanship since 1987.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Sep 19, 202611-5014 contacts →

Exact match

“MaximiliaN London is a prestigious Fine Jewellery House that was founded in London in and has expanded to become a global presence.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

Showing 25 of 632 custom diamond jewelry makers based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 833 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Custom diamond jewelry makers based in the United Kingdom at a glance

As of Sep 19, 2026
23.9%Verified-email coverage
5.5Average contacts per company
1-10Median size (employees)
47.0%Largest-city concentration · London
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
477
11-50
112
51-200
21
201-500
5
10001+
1

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 632 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 the United Kingdom whose business descriptions match “custom diamond jewelry makers” 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 833 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 September 19, 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 “custom diamond jewelry makers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many custom diamond jewelry makers are there based in the United Kingdom?

RevenueBase identified 632 company matches for custom diamond jewelry makers associated with the United Kingdom as of September 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?

Jessica Mccormack tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most custom diamond jewelry makers?

London leads with 297 company records, followed by Birmingham (27) and Glasgow (9).

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 833 professional contacts with verified work emails tracked across these 632 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 September 19, 2026.

Ready to reach these companies? Verified emails and direct dials for all 632 custom diamond jewelry makers based in the United Kingdom. Start with a free account, no credit card.

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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.