Company lists · Data refreshed November 2026

Top 25 Gemstone mining companies worldwide

RevenueBase identified 2,942 company matches for gemstone mining companies worldwide as of November 2026 and tracks 35,562 professional contacts across them, including 4,827 with verified work emails. India is the largest market and Jaipur the largest hub.

This list covers company matches for gemstone mining companies 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 gemstone mining companies 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
2,942Companies
35,562Contacts tracked
4,827Verified emails
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The 25 largest gemstone mining companies worldwide

Ranked by team size
Top 25 of 2,942 company matches for gemstone mining companies 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 matchLondon, United KingdomHQ recorded Nov 6, 202610001+4,000 contacts →

Exact match

“The only luxury diamond brand present at source.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSt. Helier, JerseyHQ recorded Nov 6, 20265,001-10,0001,228 contacts →

Exact match

“Petra Diamonds is a leading independent diamond mining group and a consistent supplier of gem quality rough diamonds to the international market.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchKowloon, Hong KongHQ recorded Nov 6, 202610001+1,174 contacts →

Exact match

“The KGK group, established in 1905 by the Kothari family of Jaipur (India), is a global corporation with fully integrated operations in the Gems & Jewellery industry, with a…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact 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
5Exact matchKnoxville, TN, United StatesHQ recorded Nov 6, 20261,001-5,000885 contacts →

Exact match

“At Jewelry Television® our mission is to open the world of fine jewelry and gemstones to everyone.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchRussiaHQ recorded Nov 6, 202610001+619 contacts →

Exact match

“ALROSA Company Limited is one of the world’s leading companies in the field of diamond exploration, mining and sales of rough diamonds, and diamond manufacture.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact 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
8Exact matchSão Domingos Do Norte, ItalyHQ recorded Nov 6, 2026501-1,000448 contacts →

Exact match

“Guidoni Group brings the expertise of more than 25 years in the market of extraction and processing of natural stones.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact 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
10Exact matchMontepuez, MozambiqueHQ recorded Nov 6, 20261,001-5,000395 contacts →

Exact match

“Montepuez Ruby Mining (MRM) is a Mozambican company developing operations at the Montepuez ruby deposit, located in the northeast of Mozambique in the Cabo Delgado province.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchKitwe, ZambiaHQ recorded Nov 6, 20261,001-5,000370 contacts →

Exact match

“Kagem is based in Lufwanyama, Zambia, and is believed to be the world’s single largest producing emerald mine.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact 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
13Exact matchDubai, United Arab EmiratesHQ recorded Nov 6, 20261,001-5,000358 contacts →

Exact match

“FURA Gems is a pioneering colored gemstone company dedicated to the responsible extraction of rubies and sapphires in Mozambique and Australia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact 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
15Exact 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
16Exact 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
17Exact matchSerra, BrazilHQ recorded Nov 6, 2026201-500249 contacts →

Exact match

“Fundada por Jonas Zucchi em 1994, a Zucchi se tornou rapidamente em uma dos principais empresas do mercado de exportação de rochas naturais do Brasil.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact 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
19Exact matchSerra, BrazilHQ recorded Nov 6, 2026501-1,000239 contacts →

Exact match

“Grupo Corcovado Brasigran: chapas e blocos de pedra natural.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact 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
21Exact 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
22Exact 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
23Exact matchCachoeiro De Itapemirim, BrazilHQ recorded Nov 6, 2026201-500173 contacts →

Exact match

“A Marbrasa é pioneira no segmento, e há 57 anos inspira pessoas a aproveitar as riquezas que a natureza oferece, com qualidade na entrega de produtos e serviços.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 2026201-500166 contacts →

Exact match

“A EBAM - Empresa Brasileira de Agregados Minerais é uma holding de operações de mineração e produção de agregados minerais (brita e areia), com uso principal na construção civil.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact 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

Showing 25 of 2,942 gemstone mining companies worldwide

See the full list, filter by size, metro and specialty, and access 4,827 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Gemstone mining companies worldwide at a glance

As of Nov 6, 2026
13.6%Verified-email coverage
12.1Average contacts per company
11-50Median size (employees)
10.0%Largest-city concentration · Jaipur
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,291
11-50
836
51-200
432
201-500
197
501-1,000
65
1,001-5,000
63
5,001-10,000
13
10001+
9

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 gemstone mining companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “gemstone mining companies” 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 4,827 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.

Gemstone mining companies by location

19 lists · largest first

Every Gemstone mining companies 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 “gemstone mining companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many gemstone mining companies are there worldwide?

RevenueBase identified 2,942 company matches for gemstone mining companies 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?

DE Beers Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most gemstone mining companies?

India leads with 793 companies, followed by the United States (345) and Brazil (194). Every gemstone mining companies list by country and city is linked on this page.

Which city has the most gemstone mining companies?

Jaipur leads with 293 company records, followed by New York (107) and Mumbai (97).

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 4,827 professional contacts with verified work emails tracked across these 2,942 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.

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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.