1.50 ct Natural Orange Red Fire Opal, Oval Cut, Transparent, MexicoWeatherham Estate Treasures4(236)$1307 days Left
Beautiful 7.45 CT Natural Black Opal Ring With Natural Black Diamond & 18k GoldWilliam George4.2(10)£550
Beautiful 6.49 CT Natural Black Opal Ring With Natural Black Diamond & 18k GoldWilliam George4.2(10)£425
Beautiful Faceted 7.74 CT Natural Opal Ring With Natural Diamond & 18k GoldWilliam George4.2(10)£850
Beautiful Natural Black Opal Earrings With Natural Black Diamond & 18k GoldWilliam George4.2(10)£425
Natural Play Of Color Rainbow Fire Red Black Opal Gemstones 2.28 Ct. Oval Cabochon Shape 14.3 x 9.8Treasure of Gems & Jewelry4.5(225)$1May 03, 2026
Natural Fire Red Black Opal 1.51 Ct. Oval Cabochon Shape 10.6 x 8 Mm. GemstoneTreasure of Gems & Jewelry4.5(225)$1May 03, 2026
Natural Rainbow Fire Red Black Opal 1.89 Ct. Oval Cabochon Shape 11.6 x 9.2 Mm. GemstoneTreasure of Gems & Jewelry4.5(225)$1May 03, 2026
C MEXICAN FIRE OPAL CABOCHON ROCK STONE LAPIDARY SPECIMENCol. Christie Hatman Auctioneers4.4(514)$53 days Left
