11.33ct Marquise Cabochon Natural Multicolor Black Opal GemstoneWeatherham Estate Treasures3.9(237)$630May 20, 2026
2.13ct Oval Cabochon Natural Multicolor Black Opal GemstoneWeatherham Estate Treasures3.9(237)$150May 20, 2026
Vintage 14k Yellow Gold Black Opal Cufflinks Natural GemstonesBidhaus4.3(860)$2,750(20 bids)Available to Buy Now
Natural Fire Red Black Opal 1.51 Ct. Oval Cabochon Shape 10.6 x 8 Mm. GemstoneTreasure of Gems & Jewelry4.4(232)$50Available to Buy Now
Natural Rainbow Fire Red Black Opal 1.89 Ct. Oval Cabochon Shape 11.6 x 9.2 Mm. GemstoneTreasure of Gems & Jewelry4.4(232)$61Available to Buy Now
Natural Play Of Color Rainbow Fire Red Black Opal Gemstones 2.28 Ct. Oval Cabochon Shape 14.3 x 9.8Treasure of Gems & Jewelry4.4(232)$72Available to Buy Now
Natural Fire Red Black Opal Gemstones 1.02 Ct. Oval Cabochon Shape 10.2 x 7.7 Mm.Treasure of Gems & Jewelry4.4(232)$1May 24, 2026
Natural Play Of Color Rainbow Fire Red Black Opal Gemstones 1.60 Ct. Oval Cabochon Shape 10.9 x 8.4Treasure of Gems & Jewelry4.4(232)$49Available to Buy Now
Natural Play Of Color Rainbow Fire Red Black Opal Gemstones 1.96 Ct. Oval Cabochon Shape 10.7 x 7.7Treasure of Gems & Jewelry4.4(232)$1May 24, 2026
Natural Play Of Color Rainbow Fire Red Black Opal Gemstones 1.30 Ct. Oval Cabochon Shape 10.4 x 6.9Treasure of Gems & Jewelry4.4(232)$1May 24, 2026
Natural Play Of Color Rainbow Fire Red Black Opal Gemstones 2.27 Ct. Pear Cabochon Shape 12 x 8.3 MmTreasure of Gems & Jewelry4.4(232)$72Available to Buy Now
