Buy Diamonds from wholesalers

Search diamond inventory from 1000's of dealers and quickly locate loose, polished diamonds including GIA, AGS, EGL and other certified and non-certified stones.

Want to sell your diamonds? Polygon can help with that too.


Diamond Quick Search

Qualified Gem & Jewelry Professionals Benefit

Members can specify search by depth, table, fluorescence, lab, location and more, and view full seller details. Plus, browse the classifieds daily for the best bargains.

See More

Try it For Free

Exactly what you need.
More sales. Fast responses.

Post a Buy/Sell Request

Success Stories

"Our sales are up. Our revenues are up. And our profits are up. The secret is Polygon."

Bernie Benavlez | Master Jewelers

Read more

Follow Us

Visit Poly on LinkedIn Visit Poly on Facebook Visit Poly on Instagram