Company lists · Data refreshed November 2026

Top 25 Secondary diamond mining companies worldwide

RevenueBase identified 719 company matches for secondary diamond mining companies worldwide as of November 2026 and tracks 28,141 professional contacts across them, including 4,708 with verified work emails. India is the largest market and Surat the largest hub.

This list covers company matches for secondary diamond 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 secondary diamond 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
719Companies
28,141Contacts tracked
4,708Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest secondary diamond mining companies worldwide

Ranked by team size
Top 25 of 719 company matches for secondary diamond 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 matchGaborone, BotswanaHQ recorded Nov 6, 20265,001-10,0004,538 contacts →

Exact match

“Debswana is the largest private sector employer in Botswana, with more than 4 staff members.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact 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
3Exact 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
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 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
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 matchHarare, ZimbabweHQ recorded Nov 6, 20261,001-5,000616 contacts →

Exact match

“A diversified mining company incorporated in 1956 producing gold and coal as well as refining nickel and copper.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchWindhoek, NamibiaHQ recorded Nov 6, 2026501-1,000496 contacts →

Exact match

“Namibia has the richest known marine diamond deposits in the world and is among the top 10 producers of gem quality diamonds globally.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact 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
10Exact 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
11Exact 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
12Exact 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
13Exact matchLuanda, AngolaHQ recorded Nov 6, 20261,001-5,000298 contacts →

Exact match

“The Catoca Mining Company Ltd.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact 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
15Exact 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
16Exact matchVancouver, BC, CanadaHQ recorded Nov 6, 20261,001-5,000251 contacts →

Exact match

“Welcome to Aris Mining!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchHarare, ZimbabweHQ recorded Nov 6, 20261,001-5,000242 contacts →

Exact match

“Zimbabwe Consolidated Diamond Company (Pvt) Ltd (ZCDC) is a diamond mining company wholly owned by Defold Mine (Pvt) Ltd which has 100% shareholding.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact 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
19Exact 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
20Exact matchLongueuil, QC, CanadaHQ recorded Nov 6, 2026501-1,000183 contacts →

Exact match

“Les Diamants Stornoway est une entreprise d'exploitation minière qui opère la première mine de diamants du Québec, la mine Renard.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchVancouver, BC, CanadaHQ recorded Nov 6, 202651-200169 contacts →

Exact match

“Lucara Diamond Corp.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchLuanda Sul, AngolaHQ recorded Nov 6, 20265,001-10,000157 contacts →

Exact match

“Angolan company dedicated to the prospecting, exploration, recovery and marketing of diamonds”

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 matchLuanda, AngolaHQ recorded Nov 6, 2026201-500116 contacts →

Exact match

Recorded description not available.

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

Showing 25 of 719 secondary diamond mining companies worldwide

See the full list, filter by size, metro and specialty, and access 4,708 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Secondary diamond mining companies worldwide at a glance

As of Nov 6, 2026
16.7%Verified-email coverage
39.1Average contacts per company
11-50Median size (employees)
11.4%Largest-city concentration · Surat
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
236
11-50
178
51-200
114
201-500
77
501-1,000
44
1,001-5,000
44
5,001-10,000
13
10001+
5

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 secondary diamond mining companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “secondary diamond 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 4,708 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.

Secondary diamond mining companies by location

8 lists · largest first

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

How many secondary diamond mining companies are there worldwide?

RevenueBase identified 719 company matches for secondary diamond 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?

Debswana Diamond Company tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most secondary diamond mining companies?

India leads with 195 companies, followed by the United States (86) and Belgium (44). Every secondary diamond mining companies list by country and city is linked on this page.

Which city has the most secondary diamond mining companies?

Surat leads with 82 company records, followed by Mumbai (70) and New York (54).

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 4,708 professional contacts with verified work emails tracked across these 719 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 719 secondary diamond mining companies 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.