SaveBuy NowNatural Multi Color Opal Gemstones 6.67 Ct. Oval Cabochon 14.7 x 11.7 Mm.Treasure of Gems & Jewelry4.4(233)$161
SaveBuy NowNatural Multi Color Opal Sudan 5.97 Ct. Oval Shape 16.1 x 11.2 Mm.Treasure of Gems & Jewelry4.4(233)$231
SaveBuy NowNatural Multi Color Opal Sudan Gemstones 4.07 Ct. Oval Shape17.5 x 8.8 Mm.Treasure of Gems & Jewelry4.4(233)$118
SaveBuy NowAuthentic Van Cleef & Arpels Alhambra 18k White Gold Pink Opal Diamond Ring CertChairish Auctions4.5(10.5k)$5,775
SaveJun 10, 20266.27 ct Trillion Cabochon Midnight Starry Night Black Opal GemstoneWeatherham Estate Treasures3.9(237)Est. $250-$400$180
SaveBuy NowVintage Victorian Revival 14k Yellow Gold Opal Flower Stud EarringsDiamond Depot4.2(15)$1,500
SaveMay 31, 2026ANTIQUE ETRUSCAN 14K YELLOW GOLD AUSTRALIAN FIRE BOULDER OPAL DANGLE EARRINGSModern Jewelry4.5(205)Est. $1,181-$1,320$970
SaveMay 31, 2026DESIGNER 14K YELLOW GOLD 1.50TCW MARQUISE AUSTRALIAN FIRE OPAL & DIAMOND RINGModern Jewelry4.5(205)Est. $935-$1,045$770
SaveMay 31, 202614K YELLOW GOLD 40CT AUSTRALIAN OPAL & ROUND & MARQUISE DIAMOND TEARDROP PENDANTModern Jewelry4.5(205)Est. $7,650-$8,550$6,300
SaveBuy NowStunning Platinum 1.43ctw Oval Orange Fire Opal Diamond Cocktail RingDiamond Depot4.2(15)$1,500
SaveBuy NowPlatinum Cocktail Ring with Colorful Boulder Opal and Diamond AccentsDiamond Depot4.2(15)$2,890
SaveBuy NowGIA Certified 8.04ct natural cabochon opal diamonds cocktail ring 14kt**Chairish Auctions4.5(10.5k)$6,975
SaveMay 31, 2026DESIGNER 10K YELLOW GOLD CABOCHON AUSTRALIAN BOULDER FIRE OPAL & DIAMOND RINGModern Jewelry4.5(205)Est. $671-$750$550
SaveMay 31, 2026BAGLEY & HOTCHKISS 18K YELLOW GOLD BLACK OPAL INLAY & DIAMOND RING 12.5GModern Jewelry4.5(205)Est. $3,901-$4,360$3,200
SaveMay 31, 2026Natural Fire Red Black Opal Gemstones 1.78 Ct. Oval Cabochon Shape 10 x 7.4 Mm.Treasure of Gems & Jewelry4.4(233)Est. $156-$245$1
SaveJun 07, 2026Navajo Opal Bracelet Stacker Sterling Silver Cuff Native American SignedSOUTHWESTERN STYLE GALLERY4.6(162)Est. $88-$800$52
