Natural Multi Color Flashing Boulder Opal Gemstones 19.77 Ct. Free Form Cabochon Shape 32 x 17 Mm.Treasure of Gems & Jewelry4.4(235)$1Jun 18, 2026
18.34 Ct "Beautiful"Aqua Terra Costa Doublet QuartzFinest Gems Auction 4.6(134)$3(2 bids)Jun 09, 2026
1.82Ct Welo Opal Faceted Polished - Ethiopian OpalKsmith Heritage Auctioneers4.3(47)See Sold PriceJul 26, 2025
1.68Ct Welo Opal Faceted Polished - Ethiopian OpalKsmith Heritage Auctioneers4.3(47)See Sold PriceJul 26, 2025