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Oct 30, 20269 kt gold opal-pearl-brooch, England Sheffield 1900-1910Est. €250-€1,000Starting Bid€250Mutterstadt, Rheinland-PfalzHenry's Auktionshaus AG4.3(211)
Nov 5, 2026Victorian Love Knot Gold, Garnet, and Opal BroochEst. $1,200-$1,800Starting Bid$700Astoria, NYAuctions at Showplace4.6(853)
Oct 29, 2026Silver Gold Diamond Opal Sapphire Insect Bee BroochEst. $650-$1,000Starting Bid$400Lambertville, NJFarber Auctioneers4.2(80)
4 days LeftRuby, opal, and diamond broochEst. $2,500-$3,500Current Bid - 1 bid$2,000Lambertville, NJRago 4.5(392)
Nov 7, 2026Signed Carl Bucher Egyptian Revival Natural Opal Emerald Ruby Diamond 14k Gold Antique BroochEst. $7,000-$9,000Current Bid - 2 bids$30St Petersburg, FLHess Fine Auctions4.5(255)
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Oct 29, 2026Antique Silver Opal & Pearl Art Nouveau BroochEst. $100-$200Starting Bid$50Katonah, NYGemini Auction Company4.5(45)
Oct 25, 202614K White Gold Opal Ruby Emerald Diamond Antique Style Vase BroochEst. $9,600-$12,000Starting Bid$1,500Bang Phlat District, BangkokLilly M. JEWELERS4.3(6)
Oct 25, 202614K White Gold Opal Blue Sapphire Diamond and Enamel BroochEst. $6,600-$8,200Starting Bid$3,000Bang Phlat District, BangkokLilly M. JEWELERS4.3(6)
6 days LeftStunning Ornate Vintage Art Nouveau Style Sterling Silver & Opal BroochEst. $75-$150Starting Bid$10Miami, FLPandora Auctions4.4(225)
Oct 25, 202614K White Gold Opal Emerald Cabochon Sapphire Diamond Art Deco Style Peacock BroochEst. $7,600-$9,500Starting Bid$1,500Bang Phlat District, BangkokLilly M. JEWELERS4.3(6)
Oct 25, 2026JEWELRY. SECRETT Bi-Color 18kt Gold Opal andEst. $2,000-$3,000Starting Bid$1,000Larchmont, NYClarke Auction Gallery4.5(626)
Live NowVintage Paula Bolton Gold over Sterling Multi-Stone Monet Reflections BroochEst. $30-$150Current Bid - 4 bids$24Mantua, OHRetro Roadshow Auctions4.6(255)
2 days LeftEuropean Art Nouveau Period Enamel and Opal Brooch of Greek River - God and SirenEst. $8,000-$10,000Starting Bid$6,700Germantown, MDYakon Auctions4.3(45)
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Nov 5, 202614K Gold, Opal, and Cultured Pearl BroochEst. $800-$1,200Starting Bid$400Boston, MAGrogan & Company4.4(24)
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Oct 25, 2026Antique 14K Yellow Gold Large Opal BroochEst. $6,900-$8,000Starting Bid$5,500Broomall, PAEastern European Art Gallery Inc4.3(4)