Company lists · Data refreshed September 2026
Top 25 Diamond film manufacturers worldwide
RevenueBase identified 222 diamond film manufacturers worldwide as of September 2026 and tracks 4,123 professional contacts across them, including 416 with verified work emails and 0 with mobile numbers. India is the largest market and Surat the largest hub.
This list covers diamond film manufacturers worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 16, 2026. Country and city lists for diamond film manufacturers follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 diamond film manufacturers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,052 contacts → | ||||
Strong evidence “KIRAN GEMS is the World’s Largest Manufacturer of Natural Diamonds and India’s Premier Diamantaire, establishing benchmarks not just for sheer scale of operations, but also for…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 2 | 415 contacts → | ||||
Partial evidence “Dharmanandan Diamonds, widely known as DDPL is a prominent natural diamond manufacturing company.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 3 | 199 contacts → | ||||
Strong evidence “Dimexon Diamonds Ltd, with sales offices in all 4 corners of the globe, is one of the world’s leading diamond manufacturers.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 4 | 88 contacts → | ||||
Strong evidence “Star Rays is a diamond manufacturer who are passionate about their products and solely focused on the diamond industry.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 5 | 66 contacts → | ||||
Partial evidence “Bhanderi Lab Grown Diamonds is an emerging name in the CVD diamond industry.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 6 | 49 contacts → | ||||
Partial evidence “At Diyora Diamonds, we don't carve just carve gems.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 7 | 46 contacts → | ||||
Partial evidence “Welcome to Paladiya Brothers & Co, we pride ourselves on being a trusted name in the diamond industry, offering exceptional quality and unparalleled service.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 8 | 44 contacts → | ||||
Partial evidence “Ratnakala is a natural diamond manufacturing company with more than forty-five years of experience serving both Indian and international markets.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 9 | 44 contacts → | ||||
Partial evidence “R.Rajesh Exports, which was founded in the early 1970’s, has emerged as a front row leader in the manufacturing of Finest Quality Diamonds and continues to expand its wings…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 10 | 39 contacts → | ||||
Partial evidence “It all started in 1989 with small unit of manufacturing in Surat (INDIA) having only one passion in mind to produce finest quality of diamonds and supply to the World.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 11 | 36 contacts → | ||||
Strong evidence “The Design House is one of India's leading diamond jewelry manufacturer and exporter.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 12 | 35 contacts → | ||||
Partial evidence “GLCT's mission is to become the leading provider of high-performance crystalline diamond materials for high-technology applications” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 13 | 34 contacts → | ||||
Partial evidence “Sonani Industries Private Limited is Center a leading research institution dedicated to the advancement of the field of lab-grown diamonds.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 14 | 33 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 15 | 29 contacts → | ||||
Partial evidence “Leviev Diamonds has been a trusted source of exceptional natural diamonds for polishers, cutters, and jewelers for over three decades.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 16 | 26 contacts → | ||||
Partial evidence “CemeCon is recognized worldwide as the leader in HiPIMS coatings and the market leader in CVD Diamond coatings.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 17 | 26 contacts → | ||||
Partial evidence “Established in 1996, Finestar Jewellery & Diamond Pvt ltd is a Diamond Manufacturing Company.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 18 | 26 contacts → | ||||
Partial evidence “Since 1916 the MOHIT Diamonds Pvt Ltd has been headquartered in Mumbai, India.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 19 | 24 contacts → | ||||
Partial evidence “Welcome to Hardten Precision Technologies Pvt Ltd, the global specialist in manufacturing high-precision CVD diamond tools across diverse industries and sectors.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 20 | 24 contacts → | ||||
Partial evidence “WD Advanced Materials, LLC is a forward-thinking, pioneering technology company and market leader in Chemical Vapor Deposition (CVD) diamond growth, with headquarters in the…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 21 | 23 contacts → | ||||
Partial evidence “Next Generation Diamonds for Next Generation Jewellery Nevermined is synonymous with lab-grown diamonds.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 22 | 23 contacts → | ||||
Strong evidence “Saban Diamonds (founded in 1977) and Onyx Diamonds (founded in 1987) made a name for themselves separately as pioneers in the manufacture of square and rectangular diamonds.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 23 | 19 contacts → | ||||
Partial evidence “sp3 Diamond Technologies is a global leader in polycrystalline CVD diamond products and services.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 24 | 18 contacts → | ||||
Indirect evidence “As a wholly-owned subsidiary of SDC Technologies, Inc.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 25 | 18 contacts → | ||||
Indirect evidence “For years, our products have been making contributions to the improvement of varied manufacturing processes in many industries.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: diamond film manufacturers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names diamond film manufacturers.
- Partial evidence
- Its own public description names part of diamond film manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name diamond film manufacturers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 222 diamond film manufacturers worldwide
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Diamond film manufacturers worldwide at a glance
As of Sep 16, 2026Companies by employee count
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among diamond film manufacturers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- 3 countries, largest first: India, the United States, Germany. Country and city lists for diamond film manufacturers are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “diamond film manufacturers”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names diamond film manufacturers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among diamond film manufacturers, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 416 across the full list. 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 16, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Diamond film manufacturers by location
3 lists · largest firstEvery Diamond film manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names diamond film manufacturers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many diamond film manufacturers are there worldwide?
RevenueBase identified 222 diamond film manufacturers worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Kiran Gems Private Limited, headquartered in Bandra East Mumbai, tops this list with the largest team on record.
Which country has the most diamond film manufacturers?
India leads with 130 companies, followed by the United States (67) and Germany (25). Every diamond film manufacturers list by country and city is linked on this page.
Which city has the most diamond film manufacturers?
Surat leads with 58 headquartered companies, followed by Mumbai (41) and New York (20).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 416 verified decision-maker contacts tracked across these 222 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 16, 2026.
Ready to reach these companies? Verified emails and direct dials for all 222 diamond film manufacturers worldwide. 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 Smart Search, 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
Company intelligence · public preview
Top 25 diamond film manufacturers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 222 matching company records for diamond film manufacturers worldwide, with 4,123 tracked contacts and 416 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: September 16, 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 diamond film manufacturers worldwide
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 | Kiran Gems Private Limitedkirangems.com HQ: Mumbai, IndiaReported employees: 10001+ | Mumbai, India | 10001+ | Exact match | 1,052 contacts → |
“KIRAN GEMS is the World’s Largest Manufacturer of Natural Diamonds and India’s Premier Diamantaire, establishing benchmarks not just for sheer scale of operations, but also for…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Dharmanandan Diamonds Pvt. LTDddpl.com HQ: Mumbai, IndiaReported employees: 5,001-10,000 | Mumbai, India | 5,001-10,000 | Exact match | 415 contacts → |
“Dharmanandan Diamonds, widely known as DDPL is a prominent natural diamond manufacturing company.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Dimexon Diamondsdimexon.com HQ: Mumbai, IndiaReported employees: 1,001-5,000 | Mumbai, India | 1,001-5,000 | Exact match | 199 contacts → |
“Dimexon Diamonds Ltd, with sales offices in all 4 corners of the globe, is one of the world’s leading diamond manufacturers.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Star Raysstarrays.com HQ: Mumbai, IndiaReported employees: 501-1,000 | Mumbai, India | 501-1,000 | Exact match | 88 contacts → |
“Star Rays is a diamond manufacturer who are passionate about their products and solely focused on the diamond industry.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Bhanderi LAB Grown Diamondsblgdlab.com HQ: Surat, IndiaReported employees: 501-1,000 | Surat, India | 501-1,000 | Exact match | 66 contacts → |
“Bhanderi Lab Grown Diamonds is an emerging name in the CVD diamond industry.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Diyora Diamonddiyoradiamond.com HQ: Surat, IndiaReported employees: 501-1,000 | Surat, India | 501-1,000 | Exact match | 49 contacts → |
“At Diyora Diamonds, we don't carve just carve gems.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Paladiya Brotherspb.diamonds HQ: Mumbai, IndiaReported employees: 1,001-5,000 | Mumbai, India | 1,001-5,000 | Exact match | 46 contacts → |
“Welcome to Paladiya Brothers & Co, we pride ourselves on being a trusted name in the diamond industry, offering exceptional quality and unparalleled service.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Ratnakala Exports Private Limitedratnakala.com HQ: Mumbai, IndiaReported employees: 1,001-5,000 | Mumbai, India | 1,001-5,000 | Exact match | 44 contacts → |
“Ratnakala is a natural diamond manufacturing company with more than forty-five years of experience serving both Indian and international markets.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | R.Rajesh Exportsrrajesh.co HQ: Mumbai, IndiaReported employees: 501-1,000 | Mumbai, India | 501-1,000 | Exact match | 44 contacts → |
“R.Rajesh Exports, which was founded in the early 1970’s, has emerged as a front row leader in the manufacturing of Finest Quality Diamonds and continues to expand its wings…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Narola Diamondsnarola.in HQ: Mumbai, IndiaReported employees: 51-200 | Mumbai, India | 51-200 | Exact match | 39 contacts → |
“It all started in 1989 with small unit of manufacturing in Surat (INDIA) having only one passion in mind to produce finest quality of diamonds and supply to the World.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | The Design Housetdh.co.in HQ: Mumbai, IndiaReported employees: 201-500 | Mumbai, India | 201-500 | Exact match | 36 contacts → |
“The Design House is one of India's leading diamond jewelry manufacturer and exporter.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Great Lakes Crystal Technologiesglcrystal.com HQ: East Lansing, MI, United StatesReported employees: 11-50 | East Lansing, MI, United States | 11-50 | Exact match | 35 contacts → |
“GLCT's mission is to become the leading provider of high-performance crystalline diamond materials for high-technology applications” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Sonani Industries PVT LTDsonanijewels.com HQ: Surat, IndiaReported employees: 201-500 | Surat, India | 201-500 | Exact match | 34 contacts → |
“Sonani Industries Private Limited is Center a leading research institution dedicated to the advancement of the field of lab-grown diamonds.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Vaportechvaportech.com HQ: Longmont, CO, United StatesReported employees: 51-200 | Longmont, CO, United States | 51-200 | Exact match | 33 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 | Leviev Diamondsleviev.com HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 29 contacts → |
“Leviev Diamonds has been a trusted source of exceptional natural diamonds for polishers, cutters, and jewelers for over three decades.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Cemecon, INCcemecon.de HQ: Horseheads, NY, United StatesReported employees: 51-200 | Horseheads, NY, United States | 51-200 | Exact match | 26 contacts → |
“CemeCon is recognized worldwide as the leader in HiPIMS coatings and the market leader in CVD Diamond coatings.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Finestar Jewellery & Diamond Pvt,ltdfinestardiamonds.com HQ: Mumbai, IndiaReported employees: 201-500 | Mumbai, India | 201-500 | Exact match | 26 contacts → |
“Established in 1996, Finestar Jewellery & Diamond Pvt ltd is a Diamond Manufacturing Company.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Mohit Diamonds PVT LTDmohitdiamonds.com HQ: Mumbai, IndiaReported employees: 201-500 | Mumbai, India | 201-500 | Exact match | 26 contacts → |
“Since 1916 the MOHIT Diamonds Pvt Ltd has been headquartered in Mumbai, India.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Hardten Precision Technologieshardtenprecision.com HQ: Surat, IndiaReported employees: 11-50 | Surat, India | 11-50 | Exact match | 24 contacts → |
“Welcome to Hardten Precision Technologies Pvt Ltd, the global specialist in manufacturing high-precision CVD diamond tools across diverse industries and sectors.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | WD Advanced Materialswdadvancedmaterials.com HQ: Beltsville, MD, United StatesReported employees: 11-50 | Beltsville, MD, United States | 11-50 | Exact match | 24 contacts → |
“WD Advanced Materials, LLC is a forward-thinking, pioneering technology company and market leader in Chemical Vapor Deposition (CVD) diamond growth, with headquarters in the…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Nevermined Gmbhnevermined-diamonds.com HQ: Essen, GermanyReported employees: 11-50 | Essen, Germany | 11-50 | Exact match | 23 contacts → |
“Next Generation Diamonds for Next Generation Jewellery Nevermined is synonymous with lab-grown diamonds.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Saban Onyx INCsabanonyx.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 23 contacts → |
“Saban Diamonds (founded in 1977) and Onyx Diamonds (founded in 1987) made a name for themselves separately as pioneers in the manufacture of square and rectangular diamonds.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Sp3 Diamond Technologiessp3diamondtech.com HQ: Santa Clara, CA, United StatesReported employees: 11-50 | Santa Clara, CA, United States | 11-50 | Exact match | 19 contacts → |
“sp3 Diamond Technologies is a global leader in polycrystalline CVD diamond products and services.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Cotec Gmbhcotec-gmbh.com HQ: Karlstein Am Main, GermanyReported employees: 11-50 | Karlstein Am Main, Germany | 11-50 | Exact match | 18 contacts → |
“As a wholly-owned subsidiary of SDC Technologies, Inc.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Asahi Diamond America,incasahidiamondamerica.comHQ: West Chester, CA, United StatesReported employees: 11-50 | West Chester, CA, United States | 11-50 | Exact match | 18 contacts → |
“For years, our products have been making contributions to the improvement of varied manufacturing processes in many industries.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 222 company matches
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Diamond film manufacturers: dataset insights
September 16, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
221 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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: September 16, 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 ↗
Diamond film manufacturers by location
3 lists · largest firstEvery Diamond film manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for diamond film manufacturers?
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 diamond film manufacturers did RevenueBase find worldwide?
The saved snapshot records 222 matching company records, 4,123 tracked contacts and 416 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: September 16, 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.
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Cite this list
RevenueBase Data Team. Top 25 diamond film manufacturers worldwide. Snapshot: September 16, 2026. https://revenuebase.ai/companies/browse/diamond-film-manufacturers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 diamond film manufacturers worldwide
RevenueBase records 222 matching company records for diamond film manufacturers worldwide, with 4,123 tracked contacts and 416 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: September 16, 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 diamond film manufacturers worldwide
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 | Kiran Gems Private Limitedkirangems.com HQ: Mumbai, IndiaReported employees: 10001+ | Mumbai, India | 10001+ | Exact match | 1,052 contacts → |
“KIRAN GEMS is the World’s Largest Manufacturer of Natural Diamonds and India’s Premier Diamantaire, establishing benchmarks not just for sheer scale of operations, but also for…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Dharmanandan Diamonds Pvt. LTDddpl.com HQ: Mumbai, IndiaReported employees: 5,001-10,000 | Mumbai, India | 5,001-10,000 | Exact match | 415 contacts → |
“Dharmanandan Diamonds, widely known as DDPL is a prominent natural diamond manufacturing company.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Dimexon Diamondsdimexon.com HQ: Mumbai, IndiaReported employees: 1,001-5,000 | Mumbai, India | 1,001-5,000 | Exact match | 199 contacts → |
“Dimexon Diamonds Ltd, with sales offices in all 4 corners of the globe, is one of the world’s leading diamond manufacturers.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Star Raysstarrays.com HQ: Mumbai, IndiaReported employees: 501-1,000 | Mumbai, India | 501-1,000 | Exact match | 88 contacts → |
“Star Rays is a diamond manufacturer who are passionate about their products and solely focused on the diamond industry.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Bhanderi LAB Grown Diamondsblgdlab.com HQ: Surat, IndiaReported employees: 501-1,000 | Surat, India | 501-1,000 | Exact match | 66 contacts → |
“Bhanderi Lab Grown Diamonds is an emerging name in the CVD diamond industry.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Diyora Diamonddiyoradiamond.com HQ: Surat, IndiaReported employees: 501-1,000 | Surat, India | 501-1,000 | Exact match | 49 contacts → |
“At Diyora Diamonds, we don't carve just carve gems.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Paladiya Brotherspb.diamonds HQ: Mumbai, IndiaReported employees: 1,001-5,000 | Mumbai, India | 1,001-5,000 | Exact match | 46 contacts → |
“Welcome to Paladiya Brothers & Co, we pride ourselves on being a trusted name in the diamond industry, offering exceptional quality and unparalleled service.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Ratnakala Exports Private Limitedratnakala.com HQ: Mumbai, IndiaReported employees: 1,001-5,000 | Mumbai, India | 1,001-5,000 | Exact match | 44 contacts → |
“Ratnakala is a natural diamond manufacturing company with more than forty-five years of experience serving both Indian and international markets.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | R.Rajesh Exportsrrajesh.co HQ: Mumbai, IndiaReported employees: 501-1,000 | Mumbai, India | 501-1,000 | Exact match | 44 contacts → |
“R.Rajesh Exports, which was founded in the early 1970’s, has emerged as a front row leader in the manufacturing of Finest Quality Diamonds and continues to expand its wings…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Narola Diamondsnarola.in HQ: Mumbai, IndiaReported employees: 51-200 | Mumbai, India | 51-200 | Exact match | 39 contacts → |
“It all started in 1989 with small unit of manufacturing in Surat (INDIA) having only one passion in mind to produce finest quality of diamonds and supply to the World.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | The Design Housetdh.co.in HQ: Mumbai, IndiaReported employees: 201-500 | Mumbai, India | 201-500 | Exact match | 36 contacts → |
“The Design House is one of India's leading diamond jewelry manufacturer and exporter.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Great Lakes Crystal Technologiesglcrystal.com HQ: East Lansing, MI, United StatesReported employees: 11-50 | East Lansing, MI, United States | 11-50 | Exact match | 35 contacts → |
“GLCT's mission is to become the leading provider of high-performance crystalline diamond materials for high-technology applications” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Sonani Industries PVT LTDsonanijewels.com HQ: Surat, IndiaReported employees: 201-500 | Surat, India | 201-500 | Exact match | 34 contacts → |
“Sonani Industries Private Limited is Center a leading research institution dedicated to the advancement of the field of lab-grown diamonds.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Vaportechvaportech.com HQ: Longmont, CO, United StatesReported employees: 51-200 | Longmont, CO, United States | 51-200 | Exact match | 33 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 | Leviev Diamondsleviev.com HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 29 contacts → |
“Leviev Diamonds has been a trusted source of exceptional natural diamonds for polishers, cutters, and jewelers for over three decades.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Cemecon, INCcemecon.de HQ: Horseheads, NY, United StatesReported employees: 51-200 | Horseheads, NY, United States | 51-200 | Exact match | 26 contacts → |
“CemeCon is recognized worldwide as the leader in HiPIMS coatings and the market leader in CVD Diamond coatings.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Finestar Jewellery & Diamond Pvt,ltdfinestardiamonds.com HQ: Mumbai, IndiaReported employees: 201-500 | Mumbai, India | 201-500 | Exact match | 26 contacts → |
“Established in 1996, Finestar Jewellery & Diamond Pvt ltd is a Diamond Manufacturing Company.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Mohit Diamonds PVT LTDmohitdiamonds.com HQ: Mumbai, IndiaReported employees: 201-500 | Mumbai, India | 201-500 | Exact match | 26 contacts → |
“Since 1916 the MOHIT Diamonds Pvt Ltd has been headquartered in Mumbai, India.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Hardten Precision Technologieshardtenprecision.com HQ: Surat, IndiaReported employees: 11-50 | Surat, India | 11-50 | Exact match | 24 contacts → |
“Welcome to Hardten Precision Technologies Pvt Ltd, the global specialist in manufacturing high-precision CVD diamond tools across diverse industries and sectors.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | WD Advanced Materialswdadvancedmaterials.com HQ: Beltsville, MD, United StatesReported employees: 11-50 | Beltsville, MD, United States | 11-50 | Exact match | 24 contacts → |
“WD Advanced Materials, LLC is a forward-thinking, pioneering technology company and market leader in Chemical Vapor Deposition (CVD) diamond growth, with headquarters in the…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Nevermined Gmbhnevermined-diamonds.com HQ: Essen, GermanyReported employees: 11-50 | Essen, Germany | 11-50 | Exact match | 23 contacts → |
“Next Generation Diamonds for Next Generation Jewellery Nevermined is synonymous with lab-grown diamonds.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Saban Onyx INCsabanonyx.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 23 contacts → |
“Saban Diamonds (founded in 1977) and Onyx Diamonds (founded in 1987) made a name for themselves separately as pioneers in the manufacture of square and rectangular diamonds.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Sp3 Diamond Technologiessp3diamondtech.com HQ: Santa Clara, CA, United StatesReported employees: 11-50 | Santa Clara, CA, United States | 11-50 | Exact match | 19 contacts → |
“sp3 Diamond Technologies is a global leader in polycrystalline CVD diamond products and services.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Cotec Gmbhcotec-gmbh.com HQ: Karlstein Am Main, GermanyReported employees: 11-50 | Karlstein Am Main, Germany | 11-50 | Exact match | 18 contacts → |
“As a wholly-owned subsidiary of SDC Technologies, Inc.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Asahi Diamond America,incasahidiamondamerica.com HQ: West Chester, CA, United StatesReported employees: 11-50 | West Chester, CA, United States | 11-50 | Exact match | 18 contacts → |
“For years, our products have been making contributions to the improvement of varied manufacturing processes in many industries.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 222 company matches
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Diamond film manufacturers: dataset insights
September 16, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
221 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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: September 16, 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 ↗
Diamond film manufacturers by location
3 lists · largest firstEvery Diamond film manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for diamond film manufacturers?
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 diamond film manufacturers did RevenueBase find worldwide?
The saved snapshot records 222 matching company records, 4,123 tracked contacts and 416 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: September 16, 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
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Cite this list
RevenueBase Data Team. Top 25 diamond film manufacturers worldwide. Snapshot: September 16, 2026. https://revenuebase.ai/companies/browse/diamond-film-manufacturers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗