**GSI Certified Natural Tanzanite – 12.65 ct – Cushion Cut** An exceptional **natural tanzanite** weighing an impressive **12.65 carats**, beautifully fashioned in an elegant **cushion cut**. Its substantial carat weight, elongated rectangular proportions, and softly rounded corners give the gemstone a luxurious and sophisticated appearance, making it an excellent choice for high-end jewelry, exclusive custom designs, or a fine gemstone collection. Tanzanite is one of the most fascinating gemstones, admired for its captivating blue-violet hues, remarkable beauty, and rarity. Found commercially in Tanzania, this extraordinary gemstone belongs to the zoisite mineral family and is highly treasured by gemstone collectors and jewelry enthusiasts worldwide. The elegant **cushion cut** combines a classic rectangular outline with gently rounded corners, creating a harmonious balance of sophistication and timeless beauty. Its faceted design highlights the gemstone's natural character and graceful proportions, making it particularly suitable for statement rings, magnificent pendants, and exclusive bespoke jewelry creations. With its remarkable **12.65-carat weight** and impressive **18.45 mm length**, this natural tanzanite offers an attractive combination of size, elegance, and individuality. Its elongated silhouette makes it a distinctive centerpiece for an exceptional jewelry creation. **Gemstone Details** Gemstone: **Natural Tanzanite** Weight: **12.65 carats** Shape/Cut: **Cushion Cut** Dimensions: **18.45 × 11.46 × 6.13 mm** Certification: **GSI Certified** Quantity: **1 gemstone** The gemstone is accompanied by its **GSI certificate/report**, documenting the characteristics stated in the report.