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Buy. Sell. Connect.

A vetted marketplace exclusively for the gem, jewelry & luxury watch trade.
42+ Years serving the trade
Active online & in-person community
Transparent real-time pricing
Request Access
Book a Demo
Live Database Inventory
752,358
Natural Diamonds
$2.46B
1,256,771
Lab Grown
$549.06M
2,731
Parcels
$26.88M
65,099
Jewelry
$371.36M
124,010
Gemstones
$503.61M
4,376
Watches
$53.64M

Everything the trade needs, in one secure network.

Source what you need, sell with confidence, and run leaner — all inside a vetted B2B marketplace.

B2B Marketplace

Trade-only buy & sell requests on web & mobile across every category.

Explore the marketplace

Natural Diamonds

Certified & non-certified naturals, direct from hundreds of suppliers.

Browse naturals

Lab-Grown Diamonds

Over 1M certified lab-grown diamonds to meet every demand.

Browse lab-grown

Diamond Parcels

Melee & small-diamond lots — calibrated and mixed goods by the parcel.

Browse parcels

Gemstones

The largest database of precious & semi-precious stones.

Browse gemstones

Jewelry

Fine & estate jewelry — fill cases and special orders without holding inventory.

Browse jewelry

Luxury Watches

New & pre-owned timepieces traded between verified dealers — no auction fees.

Browse watches

Business Intelligence

Real-time, transparent diamond price reports for natural & lab-grown — a true pulse on wholesale pricing.

View price reports

Virtual Inventory

List stones you don’t hold. Source on demand and expand without tying up capital.

How it works

One network. Every facet of the deal.

Source smarter & maximize margins

Stock only your top sellers and source everything else from hundreds of wholesale suppliers instantly. Run lean — less inventory & no time wasted.
  • Advanced search capabilities
  • Quickly compare prices from vetted suppliers
  • Secure, direct messaging
  • Fill any custom order
Explore Jeweler Solutions

Reach buyers who actually buy.

Reach the trade's vetted jewelry businesses and cut your marketing costs while growing your reach. Every buyer is verified — no tire-kickers, no surprises.
  • Reach your target market — the whole vetted trade, in one place
  • Connect and deal directly with verified buyers
  • No commissions, no transaction fees
  • Real-time market pricing at your fingertips
Explore Wholesaler Solutions

Price it right. Flip it fast.

Every piece that crosses your counter is a chance to profit. Value OTC buys at true wholesale, flip them fast to serious trade buyers, and source anything you need to fill a customer order — all in one vetted network.
  • True wholesale pricing on OTC diamonds — diamond calculator & price reports
  • Flip signed OTC buys to some of the strongest buyers in the trade
  • Source any natural or lab diamond, gemstone, jewelry or watch to fill orders
  • Buy and sell across every category in one vetted marketplace
Explore Pawn Solutions

Get discovered by the whole trade.

Labs, logistics, finance, insurance, appraisers and more — put your services in front of thousands of vetted jewelry businesses, all in one trusted network.
  • Reach jewelers, wholesalers, pawn and dealers in one place
  • Premium visibility as an Industry Partner
  • A branded page with your offer in front of every member
  • Co-marketing and exposure at Polygon Conclaves
Explore Service Provider Solutions

Your connection to the jewelry industry.

Digital connections become real relationships at Polygon Conclaves and events — where the trade comes together to learn, trade and grow.
Manhattan, NY
·
November 16, 2026

The New York Trading Floor

A one-day B2B trading event in the heart of the diamond district, co-hosted with DDCNY (New York Diamond Dealers Club).
Register for New York

Events Calendar

Trading Floors, trade shows and member meetups throughout the year — all in one place.
See the calendar

Private members' group

Connect year-round in our private Facebook group — trade talk, deals and community.
Join the group

Verified industry players for safer trade.

Since 1984.
Polygon isn't a marketplace anyone can join. Every applicant is vetted as an active gem & jewelry business — with a verified location, proof of trade and real trade references — so you only ever deal with genuine professionals.
1

Apply

Submit your business details in a few minutes.
2

Vetting

We verify your business and trade credentials.
3

Approved

Start trading — usually within a day.
Request Access

Partner with the standard.

Industry Partner Members (IPMs) get elevated visibility across the network — a premium tier reserved for the businesses that set the pace for the trade.

Featured placement

Prime visibility on member pages.

Branded benefits page

Your offers in front of every Polygon member.

Co-marketing & events

Sponsorship and joint exposure at Conclaves.

Newsletter exposure

Reach the full community through Polygon channels.
Meet some of our amazing partners
FedEx — Polygon Industry Partner
BriteCo — Polygon Industry Partner
Diamond Club West Coast (DCWC) — Polygon Industry Partner
Diamond Dealers Club New York (DDC) — Polygon Industry Partner
Hoover & Strong — Polygon Industry Partner
Jeweler's Advantage — Polygon Industry Partner
National Pawnbrokers Association (NPA) — Polygon Industry Partner
Star Gems — Polygon Industry Partner
Canadian Jewellers Association (CJA) — Polygon Industry Partner
GIA — Polygon Industry Partner
IIG — Polygon Industry Partner
Member Benefits
Become an Industry Partner
The Polygon mobile trading app showing marketplace listings and search filters

Jewelry business on the go.

Trade on the go. Members get key features right in their pocket — your inbox, alerts, the full marketplace, plus our natural and lab-grown diamond databases — on iOS and Android.
  • Connect, source and sell directly with buyers and sellers
  • Your inbox and real-time alerts, wherever you are
  • Search the full marketplace, plus natural & lab-grown databases
Download on the
App Store
Get it on
Google Play

The most trusted network for jewelers.

Hear from members who've built their businesses on Polygon for decades.
I don't know how it's possible to survive in the jewelry business these days without Polygon. Everything I need, I get on Poly — faster, for less.
ON
Old Northeast Jewelers
Member since 1987
When I joined Polygon, I had no idea what an incredible impact it would have on my business. Polygon is the true B2B leader in the jewelry business.
AS
Ames Silversmithing
Member since 1996
Polygon has been the single most valuable network I've joined in my over 40 years in the diamond business.
CG
Chaim Gruky, BG
Member since 1987
A customer never has to leave our store without finding what they wanted, because we can find whatever they need on Poly.
CW
Clanton White, White's Estates
Member
I own two full service jewelry stores and cannot imagine running them without access to the knowledge I get from Polygon.
JS
JewelSmiths
Member since 1996
Polygon is the best thing that happened to my business.
BK
Brian Kaufman, BJ's Diamonds
Member since 1997
Because I can get anything I want by FedEx the next morning via Polygon, I've been able to drop my inventory appreciably. And my sales haven't dropped one penny.
UM
'Uncle Marty', Kron Jewelers
Member
It is a place where one can learn, laugh, make money and develop invaluable friendships all at the same time.
AG
Art Gordon, JewelSmiths
Member
Polygon's community of retailers and dealers has opened doors to new business and growth.
RW
Richard Wasserman, Wasserman Jewel Solutions
Member since 2000
Polygon is awesome! You should join.
AA
Aleah Arundale, JHJ & Olympian Diamond
Member since 2002
Polygon is the best thing that happened to my business — the true B2B leader. I cannot imagine running my stores without it.
NB
Navin Bhambhwani, Brilliant Nuevo
Member since 1997

Ready to trade at the highest level?

Join thousands of the world's most respected gem and jewelry professionals. Vetted, connected, and trading on Polygon.
Request Access
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