11.33ct Marquise Cabochon Natural Multicolor Black Opal GemstoneWeatherham Estate Treasures3.9(245)$6306 days Left
2.82ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 72AKThousandPlanet4.5(299)$201 day Left
Natural Multi Color Sparkling Matrix Boulder Opal Gemstones 3.35 Ct. Free Form Cabochon Shape 10.2 xTreasure of Gems & Jewelry4.4(250)$11 day Left
2.48ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 73AKThousandPlanet4.5(299)$201 day Left
Natural Fire Red Black Opal Gemstones 1.78 Ct. Oval Cabochon Shape 10 x 7.4 Mm.Treasure of Gems & Jewelry4.4(250)$1(1 bid)7 days Left
2.35Ct Welo Black Opal Polished - Ethiopian OpalKsmith Heritage Auctioneers4.3(47)See Sold PriceJul 26, 2025
1.93Ct Welo Black Opal Polished - Ethiopian OpalKsmith Heritage Auctioneers4.3(47)See Sold PriceJun 29, 2025
2.86 ct Natural Multicolor Opal Triplet, Oval Cabochon, Opaque, AustraliaWeatherham Estate Treasures3.9(245)$1401 day Left
