Company lists · Data refreshed November 2026

Top 25 Lab-grown diamond producers worldwide

RevenueBase identified 2,420 company matches for lab-grown diamond producers worldwide as of November 2026 and tracks 26,973 professional contacts across them, including 4,086 with verified work emails. India is the largest market and Surat the largest hub.

This list covers company matches for lab-grown diamond producers worldwide, 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 November 6, 2026. Country and city lists for lab-grown diamond producers follow the table.

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 Nov 6, 2026 How this list was built
2,420Companies
26,973Contacts tracked
4,086Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest lab-grown diamond producers worldwide

Ranked by team size
Top 25 of 2,420 company matches for lab-grown diamond producers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchMumbai, IndiaHQ recorded Nov 6, 202610001+1,109 contacts →

Exact match

“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 in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchMumbai, IndiaHQ recorded Nov 6, 20265,001-10,000901 contacts →

Exact match

“At Hari Krishna Exports, we are a global leader in the natural diamond industry, powered by a purpose that goes beyond our stones.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchAntwerp, BelgiumHQ recorded Nov 6, 20265,001-10,000490 contacts →

Exact match

“Rosy Blue is one of the most renowned diamond and jewelry companies in the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchMumbai, IndiaHQ recorded Nov 6, 20265,001-10,000418 contacts →

Exact match

“Dharmanandan Diamonds, widely known as DDPL is a prominent natural diamond manufacturing company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBahçelievler / Istanbul, TürkiyeHQ recorded Nov 6, 2026201-500415 contacts →

Exact match

“Zen Pırlanta- Türkiye’nin pırlanta uzmanı- 1890’lara uzanan köklü geçmişe sahip bir marka- Türkiye’nin en çok tercih edilen pırlanta markası- Avrupa ve Ortadoğu’nun en büyük…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchMumbai, IndiaHQ recorded Nov 6, 20261,001-5,000360 contacts →

Exact match

“Established in 1966, Jewelex Group is a leading diamond and jewellery manufacturer, with a strong distribution to retailers across the globe.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSan Francisco, United StatesHQ recorded Nov 6, 2026501-1,000349 contacts →

Exact match

“Founded in San Francisco in 2013, we have grown into the #1 producer of single-crystal diamond globally.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 20261,001-5,000318 contacts →

Exact match

“Burgundy Diamond Mines Limited is a premier global diamond company that proudly produces and delivers ethically sourced diamonds from its world-renowned Ekati Diamond Mine in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchNew York, NY, United StatesHQ recorded Nov 6, 20261,001-5,000284 contacts →

Exact match

“Founded in 1996 with a mission to delight customers with exceptional products and superior service, Kama Jewelry has firmly established itself among the top ten diamond jewelry…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchAlbuquerque, NM, United StatesHQ recorded Nov 6, 2026201-500273 contacts →

Exact match

“Rio Grande, a Berkshire Hathaway company, exists to support the bench jeweler, the jewelry designer, the retail jeweler, the jewelry manufacturer and the educator.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchMumbai, IndiaHQ recorded Nov 6, 20261,001-5,000262 contacts →

Exact match

“OUR HERITAGE: The Asian Star group represents a rich heritage of values, skills and experience, amassed over five decades in the diamond industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSurat, IndiaHQ recorded Nov 6, 20265,001-10,000257 contacts →

Exact match

“Established in 1972, Laxmi Diamond is one of the leading diamond manufacturers, with its footprints spread across the globe.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchHod Hasharon, IsraelHQ recorded Nov 6, 2026501-1,000252 contacts →

Exact match

“Since 1988, Sarine Technologies has been the leading technology company in the worldwide diamond domain, providing multi-disciplinary products based on cutting-edge technology to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchMumbai, IndiaHQ recorded Nov 6, 20261,001-5,000243 contacts →

Exact match

“Established in 1962, Goldstar is a trusted name in the diamond and jewellery industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchMumbai, IndiaHQ recorded Nov 6, 20261,001-5,000208 contacts →

Exact match

“Dimexon Diamonds Ltd, with sales offices in all 4 corners of the globe, is one of the world’s leading diamond manufacturers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchZoutleeuw, BelgiumHQ recorded Nov 6, 20261,001-5,000197 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202651-200194 contacts →

Exact match

“Founded in 2016 by a former BCG consultant frustrated with his own engagement ring buying experience, Rare Carat began with a mission to make diamond buying more transparent for…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchMumbai, IndiaHQ recorded Nov 6, 20261,001-5,000185 contacts →

Exact match

“K.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchMumbai, IndiaHQ recorded Nov 6, 2026501-1,000175 contacts →

Exact match

“Limelight Lab Grown Diamonds Ltd India’s leading sustainable diamond luxury brand offering lab grown diamond studded jewellery.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 20261,001-5,000161 contacts →

Exact match

“Blue Diamond, 2004 yılında toptancı bir firma olarak, mücevher sektörüne pırlanta tedarik etmek ve sektörü pırlanta konusunda eğitmek amacıyla kuruldu.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchMumbai, IndiaHQ recorded Nov 6, 20261,001-5,000143 contacts →

Exact match

“Shivam Jewels is a natural diamond manufacturer built on 30 years of precision and consistency.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchMelbourne, AustraliaHQ recorded Nov 6, 202651-200137 contacts →

Exact match

“We make special occasion jewellery that everyone can feel good about.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchMumbai, IndiaHQ recorded Nov 6, 2026501-1,000129 contacts →

Exact match

“For over six decades, Kapu Gems has been more than a manufacturer.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchMumbai, IndiaHQ recorded Nov 6, 20261,001-5,000127 contacts →

Exact match

“A dream company started by three visionaries; Arvind Shah, Arun Shah and Dilip Shah in 1985, was then strengthened by Vasant Shah, Pravin Shah and Dilip Soni, bringing together…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchClearwater, FL, United StatesHQ recorded Nov 6, 202651-200121 contacts →

Exact match

“Founded by Keith Leclerc in 1981, International Diamond Center began as a jewelry wholesaler.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 2,420 lab-grown diamond producers worldwide

See the full list, filter by size, metro and specialty, and access 4,086 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Lab-grown diamond producers worldwide at a glance

As of Nov 6, 2026
15.1%Verified-email coverage
11.1Average contacts per company
11-50Median size (employees)
10.8%Largest-city concentration · Surat
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,095
11-50
687
51-200
309
201-500
137
501-1,000
75
1,001-5,000
74
5,001-10,000
15
10001+
6

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for lab-grown diamond producers are linked below.
What qualifies
Company records worldwide whose business descriptions match “lab-grown diamond producers” 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. 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 4,086 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 November 6, 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.

Lab-grown diamond producers by location

18 lists · largest first

Every Lab-grown diamond producers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “lab-grown diamond producers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many lab-grown diamond producers are there worldwide?

RevenueBase identified 2,420 company matches for lab-grown diamond producers worldwide as of November 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?

Kiran Gems Private Limited tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most lab-grown diamond producers?

India leads with 754 companies, followed by the United States (490) and the United Kingdom (81). Every lab-grown diamond producers list by country and city is linked on this page.

Which city has the most lab-grown diamond producers?

Surat leads with 262 company records, followed by Mumbai (236) and New York (227).

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 4,086 professional contacts with verified work emails tracked across these 2,420 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 November 6, 2026.

Ready to reach these companies? Verified emails and direct dials for all 2,420 lab-grown diamond producers worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.