The most trusted network for jewelers.
Join the most trusted community & marketplace for jewelry professionals Sourcing, selling, pricing tools, expert insights and a trusted jewelry business network - all in one place.

The Top Network for Jewelry Pros, Since 1984.
Sell & Source Anything Jewelry
Use the B2B marketplace or product databases to source and sell natural & lab grown diamonds, jewelry, estate items, colored gemstones, luxury watches and more.
Get Real-Time Pricing & BI
Access inventory listings from dealers & wholesalers, get natural & lab-grown diamond price reports, discover popular products and connect to industry experts.
Connect to a Vetted Community
Do business with vetted members in a secure network, and connect with other jewelry business owners who share knowledge, expertise and experience.
Real-Time Trading, Real Business Connections
Access Polygon online and in-app for trading, pricing, BI and messaging. Plus, connect at in-person trade events.
Product Databases
1.5+ million inventory dealer listings for natural and lab grown diamonds, gemstones, jewelry & watches.
B2B Marketplace
Online & in-app marketplace to trade estate jewelry, diamonds, watches, jewelry, colored stones & more.
Vetted Community
Verified gem & jewelry businesses you can trust to trade and consult with.
Member Directory
List your business and discover member listings for retailer jewelers, wholesalers and service providers.
Live Messaging
Connect with members with direct, private messaging, available on the website and app.
Diamond Auctions
All members are pre-approved to participate in trade-only diamond auctions - move goods, get great deals.
Datafeed Services
Diamond dealers can list their inventory on participating retailers' websites.
Trade Events
Meet Polygon and vetted trade members and our trading events, Conclaves and networking events!
Over 40 years working with thousands of jewelers
40+
Years in Jewelry Industry
2,800+
Vetted Jewelry Businesses
$4.9
Billion Inventory Listed
2,000+
Marketplace Posts/Mth
Search inventory listing from hundreds of dealers in our databases
759,422
Natural Diamonds
$2.7B
1,218,396
Lab Grown
$421.6M
4,438
Parcels
$42.6M
62,100
Jewelry
$454.7M
132,452
Colored Stones
$1.1B
7,034
Watches
$107.6M
Polygon Marketplace
Source and sell with vetted jewelers & dealers on Polygon's Marketplace
SOURCE
Post requests for exact items your customers need
- Find any type of jewelry-related item: Natural/lab grown diamonds, Colored stones, Watches, Estate, Signed & vintage, Semi-mounts & more!
- Discover rare & hard to find items
- Browse or filter posts by category, seller, keyword or timeframe
SELL
Develop a new revenue stream for OTC, overstock & other items
- Sell any type of jewelry goods: Natural/lab grown diamonds, Colored stones, Watches, Estate, Signed & vintage, Semi-mounts & more!
- Set the prices & terms - do business directly with the buyers
- Connect with buyers who are looking for goods you have
What Our Members Are Saying
Polygon is awesome! You should join.
Aleah Arundale, JHJ & Olympian Diamond Inc.
Member since 2002
Polygon is the best thing that happened to my business.
Navin Bhambhwani, Brilliant Nuevo
Member since 1997
Polygon has been the single most valuable network I’ve joined in my over 40 years in the diamond business.
Vineet Gupta, BG International Gems
Member since 1987
Polygon’s community of retailers and dealers has opened doors to new business and growth.
Richard Wasserman, Wasserman Jewel Galleries
Member since 2000
Our Vibrant Community Has Been Helping Jewelers Thrive for 40+ Years!
Marketplace Highlights
Connect to our B2B Marketplace to source & sell estate & vintage jewelry, luxury watches, diamonds, colored gemstones, gold & bullion and so much more! No algorithms, no restrictions on what you post, unlimited postings.
Here’s just a glimpse of the over 2,000 Wanted & For Sale posts on Marketplace every month!

Rolex Rose Gold Sky Dweller

Great Deal on Old Euro Cut, 2.62

2 Oz. Pure Gold at Melt!

Day Date Wrist Watch – Refurb

0.95 GIA Sapphire, No Heat

Georgian FINE Rose Cut Diamonds Pin

Ruby Ring

5.11 – Emerald – M – VVS2 – GIA

100% Eye Clean 2.50 I SI2

Ruby – Heart – 3.47 Red Pigeon Blood
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