Polygon
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Where the diamond trade connects.

The trade-only network that bridges the retail jewelers sourcing diamonds with the dealers, wholesalers and manufacturers who supply them — secure, vetted, and built for the whole diamond supply chain.
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752,358
Natural Diamonds
1,256,771
Lab-Grown Diamonds
$3B+
Diamond Inventory
100%
Commission-free

Three ways to source, one trusted network.

Natural Diamonds

Quickly source certified and non-certified natural diamonds, direct from trusted suppliers.

Lab-Grown Diamonds

Over 1M lab-grown diamonds with full certification to meet every demand.

Diamond Parcels

Melee and small-diamond parcels by the lot — calibrated and mixed goods.

Want a peek at the inventory? Try our diamond quick search →

Built for both sides of the deal.

Whether you're sourcing diamonds or moving them, Polygon connects you directly with the vetted trade — securely, and with no commission.

For Buyers

  • Always have the diamond your customer is looking for
  • Advanced search filters to find the perfect stone for each custom project
  • Compare prices and get better deals
  • Access true wholesale pricing data to make smarter purchasing decisions
  • Deal directly with vetted suppliers — no commissions or transaction fees

For Sellers

  • List Natural and/or Lab-Grown Diamonds — single stones or parcels
  • Reach verified retail jewelers, pawn and dealers sourcing right now
  • Respond to buyer requests and message buyers directly
  • Keep your full margin — no commissions or transaction fees

Source diamonds the trade way.

Join the most complete marketplace for gem & jewelry pros.
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Book a Demo