About Polygon

The most complete marketplace for gem & jewelry pros.

Jewelers, wholesalers, and other industry professionals join Polygon, to sell more, source more efficiently, and stay connected.

Our mission is to provide a secure network that facilitates the flow of business.

Since 1984, we’ve worked with tens of thousands of jewelry businesses. Membership is available to qualified, vetted members of the trade, who join Polygon to exchange ideas, access business intelligence, reports and pricing information, and trade in loose diamonds and colored stones, jewelry, fine watches, estate/vintage, coins, metals and more. We also host in-person trade and networking events.

Members love the community atmosphere, and that we’re a secure, vetted, and neutral network.

Some of our Members

Our services cater to independent jewelers, as well as larger wholesalers and manufacturers.

By the Numbers

• 5 product databases: Diamonds, Lab Grown, Jewelry, Colored Stones, Watches
• 725,000+ active inventory listings
• 17 dynamic marketplace channels for diamonds, lab grown, gemstones & pearls, watches, estate, coins & metals, and more.
• 5,000+ new marketplace posts/week