Natural Multi Color Sparkling Matrix Boulder Opal Gemstones 3.35 Ct. Free Form Cabochon Shape 10.2 xTreasure of Gems & Jewelry4.4(250)$16 days Left
3.08 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 12.8x9.3mm, 2XMLazo Heritage4.3(14)$25(1 bid)21 hrs Left
5.01 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 12.2x9.6mm, 8XMLazo Heritage4.3(14)$2521 hrs Left
12.26ct Natural Australian Queensland Matrix Boulder Opal Cabochon, 70ATThousandPlanet4.5(298)$101597 Lots Away
9.12ct Natural Australian Queensland Matrix Boulder Opal Cabochon, 21AVThousandPlanet4.5(298)$101098 Lots Away
Natural Tiger Eye Agate Gemstones 42.72 Ct. Fancy Cabochon Shape 24 x 19.2 Mm.Treasure of Gems & Jewelry4.4(250)$1Jul 29, 2026
1.74Ct Welo Black Opal Polished - Ethiopian OpalKsmith Heritage Auctioneers4.3(47)See Sold PriceJun 29, 2025
1.75Ct Welo Black Opal Polished - Ethiopian OpalKsmith Heritage Auctioneers4.3(47)See Sold PriceJun 29, 2025
