Aug 17, 2026Art Deco Platinum Duck Brooch with 114 Diamonds Onyx RubiesEst. $5,408-$7,030$100BidhausNew York, NY
Aug 17, 2026Elegant 18k Two Tone Gold Fish Brooch with Ruby and OnyxEst. $4,238-$5,509$100BidhausNew York, NY
7 days LeftTURTLE BROOCH IN ONYX & STERLING (925) SILVEREst. $300-$500$100Dynasty Heritage AuctionsNew Castle, DE
Aug 29, 2026Great Falls Metal Works Modernist Sterling Silver Onyx BroochEst. $75-$100$20Dana J. Tharp AuctionsWilloughby, OH
Ends in 4d 15hAlbert Gallatin Hoit (American, 1809-1856) Portrait of Betsey Fuller Sprague with Ring, Brooch a...Est. $800-$1,200$400(1 bid)BonhamsMarlborough, MA
Ends in 2d 23hArt Deco Platinum Diamond BROOCH Black Onyx Ruby 1920s Vintage JewelryEst. $24,000-$29,000$9,500Jasper52New York, NY
Sep 22, 2026Encglish Victorian brooch in gold onyx and pearlsEst. €200-€300€80Bertolami Fine Art s.r.l.Rome, RM
Aug 17, 2026French Art Deco 18K White Gold Diamond Onyx Brooch 1980s 1.3 ctEst. $1,742-$2,264$100BidhausNew York, NY
16 hrs LeftMauboussin 18K Yellow Gold 4.50ct Diamond, Onyx, Pearl BroochEst. $10,000-$11,000$1(1 bid)Eastern European Art Gallery IncBroomall, PA
19 hrs LeftJudith Jack Vintage Sterling 3 Piece Brooch Earrings Bracelet SetEst. $125-$350$94Hammer Time AuctionsMount Kisco, NY
Ends in 2d 22hArt Deco Platinum Diamond & Onyx Double Clip BROOCH Charlton & Co.Est. $44,000-$53,000$18,000Jasper52New York, NY
5 days LeftLarge Sterling Silver Leaf Brooch with Marcasite and Black OnyxEst. $117-$152$100BidhausNew York, NY
Aug 29, 2026Albert David Signed Sterling Silver Onyx and Marcasite BroochEst. $150-$200$30Dana J. Tharp AuctionsWilloughby, OH
3 days LeftAsch Grossbardt 14K Gold Fish Brooch with Emerald and Multi-Stone DesignEst. $5,330-$6,929$100Mynt AuctionsNew York, NY
6 days LeftArt Deco 14k White Gold Filigree Diamond Onyx Camphor Glass BroochEst. $689-$895$100BidhausNew York, NY
2026Rare! Authentic Cartier Double Panther 18k Yellow Gold Jasper Onyx Pin BroochEst. $19,000-$23,000Lot PassedJasper52New York, NY
16 hrs Left18K Yellow Gold Bow Brooch with 2.1ct DiamondsEst. $6,000-$7,000$1Eastern European Art Gallery IncBroomall, PA
Buy NowPlatinum 3.50ct Diamond, Emerald, and Onyx Art Deco Harlequin Brooch$5,700(2 bids)Eastern European Art Gallery IncBroomall, PA
2 days LeftFine Sterling Silver, 800 Silver, Jewelry CollectionEst. $10-$500$10(1 bid)Atlee Raber AuctionsDundee, OH