3.17 Ct Natural Black Flashing Fire "Midnight Spark" Opal Oval CabGems Auction4.7(441)$1(1 bid)May 06, 2026
Multi Color Flashing Boulder Opal 11.88 Ct. Free Form Cabochon Shape 15.4 x 15.8 Mm Gemstone fromTreasure of Gems & Jewelry4.4(225)$1(1 bid)4 days Left
Natural Pink Red Ruby Gemstones 27.01 Ct. Oval Cabochon Shape 20 x 13 Mm.Treasure of Gems & Jewelry4.4(225)$1May 10, 2026
Natural Pink Red Ruby 50.89 Ct. Oval Cabochon Shape 23 x 18 Mm Gemstone From MadagascarTreasure of Gems & Jewelry4.4(225)$14 days Left
Natural Pink Red Ruby Gemstone 65.64 Ct. Oval Cabochon Shape 27 x 17 Mm.Treasure of Gems & Jewelry4.4(225)$14 days Left
61g Natural agate Agate Geode Slab/Slice quartz crystal mineral specimenWeatherham Estate Treasures4(236)$302 days Left
39g Natural agate Agate Geode Slab/Slice quartz crystal mineral specimenWeatherham Estate Treasures4(236)$302 days Left
HATMANS FLOWER PETAL AGATE ROCK STONE LAPIDARY SPECIMENCol. Christie Hatman Auctioneers4.4(514)$81 day Left
10.56 Carats Brown Matrix and Violet Vein Yowah Opal Cabochon - Natural Australian Stone, 45XMLazo Heritage4.3(8)$54 days Left
*11.83Ct Welo Opal Smoked Polished - Ethiopian OpalKsmith Heritage Auctioneers4.3(47)See Sold PriceJul 26, 2025
*12.25Ct Dark Base Welo Opal Polished - Ethiopian OpalKsmith Heritage Auctioneers4.3(47)See Sold PriceJul 26, 2025
4.26 Carats Koroit Yowah Opal Cabochon - Natural Australian Single Stone, 87XLLazo Heritage4.3(8)$54 days Left
