Certified Natural Swiss Blue Topaz – 24.72 ct – Asscher Cut – ICA GemLab Presented by ParaibaCollective, this magnificent 24.72-carat Natural Swiss Blue Topaz showcases a captivating luminous Swiss blue hue, complemented by refreshing sky-blue tones, attractive transparency and beautiful crystalline brilliance. Swiss Blue Topaz is admired for its vibrant blue coloration, radiant appearance and timeless elegance. Its refreshing color and exceptional visual appeal make it a popular choice for sophisticated jewelry creations and distinctive gemstone collections. Expertly fashioned into an elegant Asscher-style cut, this gemstone features a beautifully balanced square silhouette, precisely beveled corners and concentric step facets that create the distinctive geometric reflections and captivating hall-of-mirrors effect associated with classic Asscher designs. Its substantial carat weight, sophisticated square proportions and architectural faceting make it an outstanding choice for bespoke cocktail rings, luxury statement pendants, Art Deco-inspired jewelry and distinctive gemstone collections. Measuring over 16 mm across, this impressive 24.72-carat gemstone offers a beautiful combination of commanding size, elegant symmetry and captivating Swiss blue coloration. Gemstone: Natural Blue Topaz Weight: 24.72 ct Dimensions: 16.27 × 16.20 × 11.16 mm Color: Swiss Blue (Seller Description) Lab Color: Blue Shape: Octagonal / Square Cut: Step / Step (Asscher Style) Transparency: Transparent Certification: ICA GemLab Report No.: TH26G134918 Report Date: 29 October 2026 From Our Bangkok Cutting Facility At ParaibaCollective, our gemstones are selected by our in-house gemologist and precision-cut to highlight their natural beauty. ParaibaCollective — From Rough to Remarkable. Asscher-style is a seller-described cutting style; ICA GemLab identifies the shape as octagonal and the cut as Step / Step. Swiss Blue is a commercial color designation. The report confirms natural blue topaz but states that its color-treatment history is undetermined; heating or irradiation is commonly used for this material.