Natural Green Emerald Gemstones 1.45 Ct. Octagon Shape 8.3 x 6.2 Mm.Treasure of Gems & Jewelry4.4(225)$1May 10, 2026
3.17 Ct Natural Black Flashing Fire "Midnight Spark" Opal Oval CabGems Auction4.7(441)$1(1 bid)2 days Left
Natural Multi Color Doublet Opal 6.21 Ct. Free Form Cabochon 17.2 x 11 Mm. Gemstone From AustraliaTreasure of Gems & Jewelry4.4(225)$14 days Left
6.63 Ct Natural Black Flashing Fire "Night Blaze" Opal Trillion CabGems Auction4.7(441)$16(2 bids)2 days Left
1.51Ct Welo Black Opal Polished - Ethiopian OpalKsmith Heritage Auctioneers4.3(47)See Sold PriceJul 26, 2025
2.53Ct Welo Black Opal Faceted Polished - Ethiopian OpalKsmith Heritage Auctioneers4.3(47)See Sold PriceJul 27, 2025
2.72 Carats Play-of-Color Welo Opal - Natural Ethiopian Gem 11x8mm, 30XCLazo Heritage4.3(8)$54 days Left
