IGI Certified Natural Tanzanite – 6.11 Carats Presented is a stunning Natural Tanzanite weighing 6.11 carats, beautifully cut into a classic cushion shape. Measuring 11.61 × 11.56 × 6.14 mm, this impressive gemstone displays an attractive blue-violet colour with excellent brilliance and a well-balanced square cushion profile. Accompanied by an IGI Certificate, this Tanzanite offers professional gemological identification, providing additional confidence for collectors and buyers. Its generous size, exceptional colour, and elegant cushion cut make it an ideal centre stone for luxury rings, pendants, or a premium gemstone collection. Gemstone Details Gemstone: Natural Tanzanite Species: Natural Zoisite Variety: Tanzanite Weight: 6.11 Carats Shape/Cut: Cushion Mixed Cut Measurements: 11.61 × 11.56 × 6.14 mm Colour: Blue Violet Transparency: Transparent Certification: IGI Certified Number of Stones: 1 Highlights Natural Tanzanite 6.11 Carats Elegant Cushion Cut IGI Certified Rich Blue-Violet Colour Excellent Brilliance Ideal for High-End Jewellery Perfect for Collectors Exact Gemstone Shown in the Photographs Secure Worldwide Shipping