Natural Blue Sapphire Gemstones 58.30 Ct. Oval Cabochon Shape 27 x 17.5 Mm.Treasure of Gems & Jewelry4.4(250)$14 days Left
Natural Multi Color Sparkling Matrix Boulder Opal Gemstones 3.35 Ct. Free Form Cabochon Shape 10.2 xTreasure of Gems & Jewelry4.4(250)$1Jul 24, 2026
3.08 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 12.8x9.3mm, 2XMLazo Heritage4.2(11)$2514 hrs Left
10.56 Carats Brown Matrix and Violet Vein Yowah Opal Cabochon - Natural Australian Stone, 45XMLazo Heritage4.2(11)$2514 hrs Left
30.45ct Natural Australian Queensland Matrix Boulder Opal Cabochon, 7AVThousandPlanet4.5(298)$101850 Lots Away
19.24ct Natural Australian Queensland Matrix Boulder Opal Cabochon, 69ATThousandPlanet4.5(298)$101481 Lots Away
1.99Ct Welo Black Opal Polished - Ethiopian OpalKsmith Heritage Auctioneers4.3(47)See Sold PriceJun 29, 2025
2.35Ct Welo Black Opal Polished - Ethiopian OpalKsmith Heritage Auctioneers4.3(47)See Sold PriceJul 26, 2025
