7.74Ct Welo Black Opal Polished Lot - Ethiopian OpalKsmith Heritage Auctioneers4.3(47)See Sold PriceJul 26, 2025
Natural Multi Color Doublet Opal Gemstones 0.92 Ct. Free Form Cabochon Shape 8.3 x 5.9 Mm.Treasure of Gems & Jewelry4.4(249)$1Jul 24, 2026
