2 days LeftVintage Large Abstract Feather Brooch Sterling Silver Onyx MarcasiteEst. $265-$297$80Diamond DepotNew York, NY
Buy NowVintage Oval Black Onyx Diamond Pin Tie Tack 14K Yellow Gold, 1.59 Grams$396Jasper52New York, NY
Buy NowTAXCO STERLING SILVER MEXICO OVAL BLACK ONYX MODERNIST BROOCH PIN$153Modern JewelryValley Village, CA
Buy Now18K Yellow Gold Bow Brooch with 2.1ct Diamonds$6,000Eastern European Art Gallery IncBroomall, PA
Ends in 3d 11hA COLLECTION OF SILVER JEWELLERYEst. ยฃ50-ยฃ80ยฃ46Hutchinson Scott AuctioneersSkipton, NORTH YORKSHIRE
Buy NowANTIQUE VICTORIAN 8K GOLD TURQUOISE & BLACK ONYX MOURNING PIN BROOCH 2.25"$502Modern JewelryValley Village, CA
Buy NowANTIQUE VICTORIAN MOURNING 14K ROSE GOLD SEED PEARL ONYX WHEAT PIN BROOCH 2 5/8"$1,275Modern JewelryValley Village, CA
Jul 19, 2026TRIANIAN I MAGNIN DIAMOND JADE ONYX 14K YELLOW GOLD PENDANT/BROOCHEst. $8,357-$9,340$6,800Modern JewelryValley Village, CA
Buy NowAsch Grossbardt 14K Gold Fish Brooch with Emerald and Multi-Stone Design$5,190Diamond DepotNew York, NY
Jul 21, 2026VINTAGE BLACK ONYX GOLD BEAD BRACELET 18K FRENCH RETRO JEWELRY ESTATEEst. $66,300-$74,100$54,500Modern JewelryValley Village, CA
Buy NowVictorian Mourning Brooch Yellow Gold Onyx Seed Pearl Antique Pin$1,130(13 bids)BidhausNew York, NY
Jul 21, 2026ONYX GOLD BEAD BROOCH 18K RETRO JEWELRY SIGNED OSL ESTATE VINTAGEEst. $21,590-$24,130$17,750Modern JewelryValley Village, CA
Jul 19, 2026DIAMOND GEMSTONE ONYX BROOCH 18K GOLD FISH DESIGNEst. $6,478-$7,240$5,300Modern JewelryValley Village, CA
6 days LeftART DECO CORAL ONYX TIE/COLLAR PIN SET OF 2 18K YELLOW GOLD FLORAL DESIGNEst. $27,863-$31,141$22,750Modern JewelryValley Village, CA
Buy NowVINTAGE BLACK ONYX GOLD BEAD BRACELET 18K FRENCH RETRO JEWELRY ESTATE$66,300Modern JewelryValley Village, CA
4 days LeftVintage 10k Yellow Gold Black Onyx Diamond Bar PinEst. $508-$569$180Diamond DepotNew York, NY