2.04ct Ethiopian Black Opal Cabochon – GFCO Cert – Rare Purple Flash – 11×9mm

Ethiopian Black Opal – GFCO Certified. Laboratory Report: GFCO GEMLAB, ID AAP66192 (10-Sep-2025). This cabochon shows a vivid play of colour with striking reds, greens, orange, and rare flashes of purple that add extra rarity and charm.