Natural Opal – 7.78 ct – Flat-Bottom Domed Cabochon – ICA GemLab Presented by ParaibaCollective on Catawiki, this impressive 7.78-carat Natural Opal displays a beautiful multicolor play-of-color, with flashes of blue, orange, yellow and green across its near-colorless transparent body. Fashioned as a flat-bottom domed cabochon, the gemstone features a high rounded dome that beautifully showcases its natural play-of-color. Its substantial size, distinctive profile and vibrant optical effect make it an appealing collector’s gemstone or centerpiece for a bespoke jewelry creation. Gemstone: Natural Opal Weight: 7.78 ct Dimensions: 12.14 × 12.00 × 10.04 mm Color: Near-Colorless with Multicolor Play-of-Color Play-of-Color: Blue, Orange, Yellow & Green Shape: Round Cut: Flat-Bottom Domed Cabochon Transparency: Transparent Phenomenon: Play-of-Color Laboratory: ICA GemLab Report No.: TH26G132381 Report Date: 5 October 2026 Accompanied by its ICA GemLab report for identification and specifications.