11.33ct Marquise Cabochon Natural Multicolor Black Opal GemstoneWeatherham Estate Treasures3.9(244)US$630Jul 15, 2026
Natural Multi Color Play Of Colour Opa lGemstones 0.97 Ct. Oval Cabochon 8 x 6.1 Mm.Treasure of Gems & Jewelry4.4(248)US$12 days Left
Natural Play Of Colour Multi Color Opal Gemstones 0.62 Ct. Oval Cabochon Shape 8.3 x 5 Mm.Treasure of Gems & Jewelry4.4(248)US$4Jul 19, 2026
30.00ct Natural Australian Queensland Matrix Boulder Opal Cabochon, 76ATLazo Heritage4.2(10)US$10556 Lots Away
81.62ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 19YPLazo Heritage4.2(10)US$10464 Lots Away
2.02Ct Welo Black Opal Polished - Ethiopian OpalKsmith Heritage Auctioneers4.3(47)See Sold PriceJul 26, 2025
*2.50Ct Welo Black Opal Polished - Ethiopian OpalKsmith Heritage Auctioneers4.3(47)See Sold PriceJul 27, 2025
