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SaveSimilarJun 10, 202614K GOLD OPAL, SAPPHIRE & DIAMOND NECKLACE W/REPORTEst. $8,000-$12,000$4,000Dan Morphy AuctionsDenver, PA
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SaveSimilar6 days LeftAAA+ Certified Natural Australian 2 Peace’s Oval Shaped Opal Gemstone, Weight: 1.0, Size: 8x6,Est. $1,256-$1,794$100ABC Rugs Kilims, Inc.Oxnard, CA
SaveSimilar5 days Left18K Gold Natural Opal Diamond PendantEst. £6,000-£12,000£3,000Hans AuctionSouth Croydon, Croydon
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SaveSimilar6 days LeftAAA+ Certified Natural Australian 1 Piece Oval Shaped White Opal Gemstone, Weight: 1.0, Size: 9x7,Est. $630-$900$100ABC Rugs Kilims, Inc.Oxnard, CA
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SaveSimilar6 days LeftAAA+ Certified Natural Australian 1 Piece Oval Shaped White Opal Gemstone, Weight: 1.15, Size: 8x10,Est. $630-$900$100ABC Rugs Kilims, Inc.Oxnard, CA
SaveSimilarMay 26, 2026Art Nouveau Gold Brooch Pendant with Opal Matrix Cameo and Gem Set, 14K (585), late 19th-early 20thEst. €10,000-€15,000€8,000Baltic Auction Group Tallinn, Harjumaa
SaveSimilar6 days LeftAAA+ Certified Natural Ethiopian 1 Piece Oval Shaped Cream Opal Gemstone, Weight: 2.67, Size: 10x14,Est. $630-$900$100ABC Rugs Kilims, Inc.Oxnard, CA
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SaveSimilar6 days LeftAAA+ Certified Natural Ethiopian 1 Piece Oval Shaped Golden Opal Gemstone, Weight: 1.29 ct, SizeEst. $630-$900$100ABC Rugs Kilims, Inc.Oxnard, CA