ESTATE UNMOUNTED ROUND CABOCHON OPAL GEMSTONE, 16.50CTSAustin Auction Gallery4.7(1.3k)$150Sep 25, 2026
11.45 Carats AAA Quality Natural Black Opal Ethopia - 22X12X8 mmFantasy Jewelry3.6(155)$34025 mins Left
8.35 Carats AAA Quality Natural Black Opal From Ethopia - 16X13X9 mmFantasy Jewelry3.6(155)$29025 mins Left
2.50ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 73TGLazo Heritage4.4(22)$254 days Left
Natural Multi Color Opal Gemstones 3.92 Ct. Oval Shape 12.8 x 10 Mm.Treasure of Gems & Jewelry4.5(268)$14 days Left
Natural Multi Color Play Of Color Rainbow Opal Gemstones 2.83 Ct. Oval Cabochon Shape 13 x 10 Mm.Treasure of Gems & Jewelry4.5(268)$1Sep 18, 2026
