Company lists · Data refreshed November 2026

Top 25 Luxury gemstone dealers worldwide

RevenueBase identified 4,230 company matches for luxury gemstone dealers worldwide as of November 2026 and tracks 36,133 professional contacts across them, including 6,792 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers company matches for luxury gemstone dealers 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 luxury gemstone dealers 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
4,230Companies
36,133Contacts tracked
6,792Verified emails
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The 25 largest luxury gemstone dealers worldwide

Ranked by team size
Top 25 of 4,230 company matches for luxury gemstone dealers 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 matchNew York, NY, United StatesHQ recorded Nov 6, 20261,001-5,0001,149 contacts →

Exact match

“Diamonds International® was established over 30 years ago.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026501-1,000985 contacts →

Exact match

“Blue Nile was founded in with the idea that the diamond and engagement ring business was ready for innovation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchNew York, United StatesHQ recorded Nov 6, 2026501-1,000981 contacts →

Exact match

“Harry Winston, Inc, the premier fine jewelry and watch retailer, is owned by The Swatch Group.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchMumbai, IndiaHQ recorded Nov 6, 20261,001-5,000936 contacts →

Exact match

“Global Pioneers in the art of jewelry and diamond perfection since ORRA's diamonds are rare, unique & responsibly sourced.”

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 matchLondon, United KingdomHQ recorded Nov 6, 2026501-1,000696 contacts →

Exact match

“For over half a century our House has represented the rarest gemstones.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchMilan, ItalyHQ recorded Nov 6, 2026201-500646 contacts →

Exact match

“Established in Milan in 1967, Pomellato is renowned for its unique design, colorful gemstones, and elegant yet unconventional style.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchCharlotte, FL, United StatesHQ recorded Nov 6, 2026501-1,000604 contacts →

Exact match

“Founded in 1995 and headquartered in Charlotte, North Carolina, Diamonds Direct offers one of the largest selections of fine jewelry and diamonds in the United States.”

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 matchAmpang, MalaysiaHQ recorded Nov 6, 20261,001-5,000410 contacts →

Exact match

“At HABIB Group, we take pride in being the leading retailer and distributor of exquisite products, showcasing the finest craftsmanship and timeless beauty.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchNew York, CA, United StatesHQ recorded Nov 6, 2026501-1,000385 contacts →

Exact match

“IGI, a Blackstone portfolio company, is the world’s largest independent provider of gemological services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact 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
13Exact 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
14Exact matchKraków, PolandHQ recorded Nov 6, 2026501-1,000266 contacts →

Exact match

“W.KRUK Od 1840 na zawsze.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact 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
16Exact matchAntwerp, BelgiumHQ recorded Nov 6, 2026201-500260 contacts →

Exact match

“HRD Antwerp is the leading authority when it comes to Diamond Grading, Jewellery Grading and Education.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact 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
18Exact matchNew York, United StatesHQ recorded Nov 6, 202651-200210 contacts →

Exact match

“The Rapaport Group is an international network of companies providing first class, added value services that support the development of free, fair, efficient and competitive…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact 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
20Exact matchKolkata, IndiaHQ recorded Nov 6, 2026501-1,000197 contacts →

Exact match

“About Lexus Group Lexus Group is a premier dealership that seamlessly blends luxury automobiles and exquisite jewelry.”

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 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
23Exact matchMumbai, IndiaHQ recorded Nov 6, 202610001+179 contacts →

Exact match

“Kiran Gems Private Limited is the world’s largest manufacturer of ethically sourced natural diamonds and India’s premier diamantaire.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchManhattan, United StatesHQ recorded Nov 6, 202651-200161 contacts →

Exact match

“Gemological Science International (GSI) is one of the largest gemological laboratories with 13 offices in the United States, India, UAE, Hong Kong and Thailand.”

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 4,230 luxury gemstone dealers worldwide

See the full list, filter by size, metro and specialty, and access 6,792 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Luxury gemstone dealers worldwide at a glance

As of Nov 6, 2026
18.8%Verified-email coverage
8.5Average contacts per company
1-10Median size (employees)
5.7%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
2,393
11-50
1,197
51-200
354
201-500
108
501-1,000
57
1,001-5,000
47
5,001-10,000
9
10001+
4

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 luxury gemstone dealers are linked below.
What qualifies
Company records worldwide whose business descriptions match “luxury gemstone dealers” 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 6,792 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.

Luxury gemstone dealers by location

25 lists · largest first

Every Luxury gemstone dealers 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 “luxury gemstone dealers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many luxury gemstone dealers are there worldwide?

RevenueBase identified 4,230 company matches for luxury gemstone dealers 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?

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

Which country has the most luxury gemstone dealers?

The United States leads with 1,085 companies, followed by India (802) and the United Kingdom (192). Every luxury gemstone dealers list by country and city is linked on this page.

Which city has the most luxury gemstone dealers?

New York leads with 242 company records, followed by Jaipur (238) and Mumbai (132).

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 6,792 professional contacts with verified work emails tracked across these 4,230 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.