OTC Diamonds

Pre-Owned Diamonds & Diamond Jewelry

Weekly Diamond Drops — Built for Jewelers

Consign transparently and shop aggressively under-market. New stones drop every Tuesday & Thursday at 4:00 PM EST.

Consign a Diamond Shop This Week

New to trade terms? See TLB, No BGM, and our full Diamond Glossary for Jewelers.

You buy… we sell

Consign Your Diamonds

Diamonds evaluated and media produced before launch. List yours on our Weekly Diamond Drops.

You set the price — transparent, no hidden cuts.

Featured in Tuesday & Thursday drops with 1,000+ stores.

Fast payouts — paid as soon as diamond sells.

Simple Fees: View Full Pricing & Examples

Weekly Diamond Drops

Shop Shockingly Under-Market

Sourced from reputable suppliers of pre-owned natural diamonds.

New stones added Tuesdays & Thursdays at 4pm EST.

Always priced under market — highly competitive.

Offers welcome — use “Make an Offer” or call directly.

Call: 585-549-6198 Ask for Eugene or Collin Texts welcome

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For Jewelers Consign a Diamond Diamond Glossary

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GIA 0.70 CT Natural Oval K SI2

$400.00

GIA 0.70 CT Natural Oval Brilliant K SI2 EX EX Strong Blue

$450.00

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GIA 1.51 CT Natural Radiant Cut I SI1

$2,875.00

IGI 1.51 TCW Natural Tacori Halo Drop Earrings 3.76G 18k Gold

$1,600.00

GIA 1.20 CT Natural Round Brilliant D SI1 XXX

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GIA 1.20 CT Natural Round Brilliant D SI1 XXX

$2,500.00

GIA Natural 1.95 TCW Oval Cut Bridal ring I VS2 EX VG

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GIA Natural 1.95 TCW Oval Cut Bridal ring I VS2 EX VG

$1,850.00

GIA 0.96 CT Natural Marquise Brilliant Cut H I1

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GIA 0.96 CT Natural Marquise Brilliant Cut H I1

$850.00

GIA 0.81 CT Natural Emerald Cut G VS2 EX VG

$1,100.00

GIA 0.70 CT Natural Pear Brilliant K VS1 XX

$575.00

GIA 0.90 CT Natural Oval G SI2 EX VG

$911.00

GIA 0.70 CT Natural Oval Brilliant G VS2

$1,015.00

EN20Y - Launch

$350.00

EN20W - Launch

$350.00

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1.02 CT Natural Round Brilliant K-L I1

$500.00

0.93 CT Natural Brown Round Brilliant I1 Small chip on culet

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0.93 CT Natural Brown Round Brilliant I1 Small chip on culet

$270.00

Weekly Diamonds And Diamond Jewelry

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OTC Diamonds

Weekly Diamond Drops — Built for Jewelers

Consign Your Diamonds

Shop Shockingly Under-Market