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Tiffany & Co Silver Peretti 35mm Large Open Onyx Heart Pendant 28" Mesh NecklaceJasper524.5(10.5k)$800Aug 14, 2026
BVLGARI ONYX 18K WHITE GOLD ENGRAVED 7 LARGE SMALL CIRCLE MOTIF NECKLACEModern Jewelry4.5(216)$15,250Aug 27, 2026
925 Relios Carolyn Pollack 16" Open Scroll Drop Onyx Pendant W/ 3.75" Ext1111 Jewelry Store, LLC4.3(4)$25Aug 14, 2026
9K Yellow Gold Onyx Cameo Pendant Necklace Diamond Accents 29.5 inDiamond Depot4.3(15)$3,3503 days Left
A Vintage Large Black Onyx Bead Necklace with 925 Silver Intaglio ClaspCOAUCTION 4.3(21)$2505 days Left
Black Onyx Sterling Silver Marcasite Reversible Pendant and NecklaceHammer Time Auctions$746 days Left
ANTIQUE VICTORIAN MOURNING 14K ROSE GOLD SEED PEARL ONYX WHEAT PIN BROOCH 2 5/8"Modern Jewelry4.5(216)$1,050Aug 16, 2026
STEVEN WEBSTER STERLING SILVER & BLACK ONYX BEADED 30" NECKLACE NWTModern Jewelry4.5(216)$500Aug 24, 2026
VICTORIAN PORTUGUESE 19K GOLD 15.55CT AMETHYST NECKLACE BROOCH EARRINGS SETModern Jewelry4.5(216)$11,250Aug 27, 2026
