4.90 Carats Natural Black Fire Opal Loose Stone ? Vibrant Flashing Colors - 14X11X7.5 mmFantasy Jewelry3.8(146)$9814 hrs Left
Natural Multi Color Sparkling Matrix Boulder Opal Gemstones 3.35 Ct. Free Form Cabochon Shape 10.2 xTreasure of Gems & Jewelry4.4(250)$15 days Left
Natural Multi Color Opal Gemstones 1.32 Ct. Oval Cabochon Shape 11.10 x 8.01 Mm.Treasure of Gems & Jewelry4.4(250)$15 days Left
5.01 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 12.2x9.6mm, 8XMLazo Heritage4.3(14)$251662 Lots Away
3.82 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 12.8x9.5mm, 7XMLazo Heritage4.3(14)$251617 Lots Away
9.12ct Natural Australian Queensland Matrix Boulder Opal Cabochon, 21AVThousandPlanet4.5(298)$102 days Left
1.75Ct 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
