Polygon is the most complete B2B marketplace for gem & jewelry professionals. Since 1984, vetted members have traded diamonds, gemstones, jewelry, watches, pearls and more within a secure, members-only network — with no commissions and no transaction fees.
Polygon is for verified jewelry businesses — retailers, wholesalers and dealers, manufacturers, service providers and pawn professionals. Every applicant is vetted so members can trade with confidence.
When you apply, our team reviews your business details to confirm you’re an active trade professional. Most applications are reviewed within one business day. This keeps the network free of bad actors and the noise of the open internet.
No. Polygon never takes a commission or transaction fee on your deals. You pay a flat membership and keep 100% of your margin. See plans and pricing .
Natural and lab-grown diamonds, diamond parcels, colored gemstones, fine and estate jewelry, luxury watches, pearls and more — all in one trade-only marketplace on web and mobile.
Virtual inventory lets you list and sell stones you don’t physically hold, then source them on demand once a customer commits — so you can expand your catalog without tying up capital. Learn more .
Plans range from a free level to premium tiers with full access and add-ons. Compare options on the pricing page .
Yes. The full platform is available on iOS and Android, so you can post, browse, search and message from anywhere.
Request access . Want a guided tour first? Book a demo with our team.
