Company lists · Data refreshed September 2026

Top 25 Diamond resale platforms based in the United States

Name: Diamond resale platforms based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 894 companies tracked

RevenueBase identified 894 diamond resale platforms headquartered in the United States as of September 2026 and tracks 12,201 professional contacts across them, including 3,204 with verified work emails. New York is the largest hub.

This list covers diamond resale platforms headquartered in the United States, 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 28, 2026.

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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review

894Companies

12,201Contacts tracked

3,204Verified emails

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The 25 largest diamond resale platforms based in the United States

Ranked by team size

Top 25 of 894 diamond resale platforms based in the United States, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to diamond resale platforms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Jared Jewelers	Partial evidence	Akron, OH, United StatesHQ checked Sep 28, 2026	5,001-10,000	2,118 contacts →
	Partial evidence “Jared is redefining how luxury is felt and expressed, through unique and memorable customer experiences and an array of on-trend, high-quality 18K gold and diamond fine jewelry…” Source: RevenueBase Database · checked Sep 28, 2026
2	Blue Nile	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	501-1,000	858 contacts →
	Partial evidence “Blue Nile was founded in with the idea that the diamond and engagement ring business was ready for innovation.” Source: RevenueBase Database · checked Sep 28, 2026
3	Jewelry Television	Indirect evidence	Knoxville, TN, United StatesHQ checked Sep 28, 2026	1,001-5,000	837 contacts →
	Indirect evidence “At Jewelry Television® our mission is to open the world of fine jewelry and gemstones to everyone.” Source: RevenueBase Database · checked Sep 28, 2026
4	Diamonds Direct	Partial evidence	Charlotte, NC, United StatesHQ checked Sep 28, 2026	501-1,000	587 contacts →
	Partial evidence “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.” Source: RevenueBase Database · checked Sep 28, 2026
5	Reeds Jewelers	Indirect evidence	Wilmington, NC, United StatesHQ checked Sep 28, 2026	501-1,000	541 contacts →
	Indirect evidence “Founded in 1946 by Bill and Roberta Zimmer in Wilmington NC, REEDS Jewelers is a true American success story.” Source: RevenueBase Database · checked Sep 28, 2026
6	Kama Jewelry	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	1,001-5,000	275 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 28, 2026
7	Rare Carat	Partial evidence	New York City, NY, United StatesHQ checked Sep 28, 2026	51-200	168 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 28, 2026
8	Tapper's Jewelry	Indirect evidence	West Bloomfield, MI, United StatesHQ checked Sep 28, 2026	201-500	117 contacts →
	Indirect evidence “Founded in 1977, Tapper’s Jewelry is a family-owned business dedicated to providing jewelry and Fine Swiss timepieces to Metro Detroit.” Source: RevenueBase Database · checked Sep 28, 2026
9	International Diamond Center	Partial evidence	Clearwater, FL, United StatesHQ checked Sep 28, 2026	51-200	111 contacts →
	Partial evidence “Founded by Keith Leclerc in 1981, International Diamond Center began as a jewelry wholesaler.” Source: RevenueBase Database · checked Sep 28, 2026
10	VRAI	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 28, 2026	51-200	105 contacts →
	Indirect evidence “VRAI crafts fine jewelry by thoughtfully entwining groundbreaking science and sophisticated design.” Source: RevenueBase Database · checked Sep 28, 2026
11	h.k.designs	Indirect evidence	New York, NY, United StatesHQ checked Sep 28, 2026	1,001-5,000	98 contacts →
	Indirect evidence “H.K.” Source: RevenueBase Database · checked Sep 28, 2026
12	Ring Concierge	Indirect evidence	New York, NY, United StatesHQ checked Sep 28, 2026	51-200	91 contacts →
	Indirect evidence “Ring Concierge is the leading luxury jeweler committed to designing for women, by women.” Source: RevenueBase Database · checked Sep 28, 2026
13	Grown Brilliance	Indirect evidence	New York, United StatesHQ checked Sep 28, 2026	51-200	89 contacts →
	Indirect evidence “Grown Brilliance is a female-founded fine jewelry house that brings a modern lens to luxury.” Source: RevenueBase Database · checked Sep 28, 2026
14	worthy.com	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	51-200	85 contacts →
	Partial evidence “Worthy.com is the leading website for jewelry owners to sell their diamonds, fine jewelry, and luxury watches.” Source: RevenueBase Database · checked Sep 28, 2026
15	Genesis Diamonds	Partial evidence	Nashville, TN, United StatesHQ checked Sep 28, 2026	51-200	73 contacts →
	Partial evidence “Genesis Diamonds has been redefining the jewelry experience since 2004, bringing unmatched value, education, and selection to Tennessee, Ohio, and Kentucky.” Source: RevenueBase Database · checked Sep 28, 2026
16	brilliance.com	Partial evidence	Boynton Beach, FL, United StatesHQ checked Sep 28, 2026	51-200	65 contacts →
	Partial evidence “Over the past two decades, Brilliance has built a reputation as one of the leading retailers of diamonds, engagement rings, and fine jewelry.” Source: RevenueBase Database · checked Sep 28, 2026
17	The 1916 Company Radcliffe Jewelers	Indirect evidence	Baltimore, MD, United StatesHQ checked Sep 28, 2026	51-200	64 contacts →
	Indirect evidence “Radcliffe Jewelers, now The 1916 Company, a name synonymous with fine jewelry, timepieces, and excellence in hospitality and client care, was founded in 1983 in Baltimore…” Source: RevenueBase Database · checked Sep 28, 2026
18	KWIAT	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	11-50	64 contacts →
	Partial evidence “Kwiat is a 115 year-old, family owned and operated diamond jewelry house based in New York City.” Source: RevenueBase Database · checked Sep 28, 2026
19	Jewlery Exchange	Partial evidence	Tustin, CA, United StatesHQ checked Sep 28, 2026	n/a	55 contacts →
	Partial evidence “The Jewelry Exchange is the nation’s most trusted online resource for high quality loose diamonds, engagement rings, and diamond jewelry at the lowest prices.” Source: RevenueBase Database · checked Sep 28, 2026
20	Dunkin's Diamonds	Partial evidence	Heath, OH, United StatesHQ checked Sep 28, 2026	51-200	54 contacts →
	Partial evidence “Dunkin’s Diamonds is a three generation tradition, which started in Europe and has since grown into several locations in Ohio and Florida.” Source: RevenueBase Database · checked Sep 28, 2026
21	RDI Diamonds INC	Partial evidence	Rochester, NY, United StatesHQ checked Sep 28, 2026	51-200	49 contacts →
	Partial evidence “America's Diamond Specialist - Memo and Stock Quality, attention to detail, honesty, fairness, and on-time delivery.” Source: RevenueBase Database · checked Sep 28, 2026
22	Ofer Mizrahi Diamonds	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	51-200	49 contacts →
	Indirect evidence “We partner with you.” Source: RevenueBase Database · checked Sep 28, 2026
23	Ritani	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	51-200	47 contacts →
	Partial evidence “Ritani is a high-end jewelry brand modernizing the way consumers purchase diamond engagement rings and diamond jewelry.” Source: RevenueBase Database · checked Sep 28, 2026
24	Aneri Jewels	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	501-1,000	42 contacts →
	Partial evidence “We are a vertically-integrated diamond jewelry manufacturer that sells to the top jewelry retailers and independents in jewelry industry.” Source: RevenueBase Database · checked Sep 28, 2026
25	James Free Jewelers	Partial evidence	Dayton, OH, United StatesHQ checked Sep 28, 2026	51-200	39 contacts →
	Partial evidence “James Free is the home of fine jewelry, sincerely committed to curating the finest natural diamonds and rarities with a casually high-end experience and remarkable service…” Source: RevenueBase Database · checked Sep 28, 2026

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 resale platforms. 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 resale platforms.
Partial evidence: Its own public description names part of diamond resale platforms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name diamond resale platforms. 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 894 diamond resale platforms based in the United States

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Diamond resale platforms based in the United States at a glance

As of Sep 28, 2026

26.3%Verified-email coverage

13.6Average contacts per company

1-10Median size (employees)

29.9%Largest-city concentration · New York

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

485

11-50

311

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 894 companies.

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 resale platforms, 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.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “diamond resale platforms”. 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 resale platforms), 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 resale platforms, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
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, 3,204 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 28, 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 resale platforms by metro

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 resale platforms, 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 resale platforms are there based in the United States?

RevenueBase identified 894 diamond resale platforms headquartered in the United States 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?

Jared Jewelers, headquartered in Akron, tops this list with the largest team on record.

Which city has the most diamond resale platforms?

New York leads with 267 headquartered companies, followed by Los Angeles (59) and Chicago (26).

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 3,204 verified decision-maker contacts tracked across these 894 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 28, 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 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.