IGI Certified Natural Blue Sapphire – 3.71 Carats Presented is a beautiful Natural Blue Sapphire weighing 3.71 carats, expertly fashioned into a timeless oval cut. Measuring 10.45 × 7.83 × 5.94 mm, this elegant gemstone displays a captivating natural blue colour with excellent brilliance and well-balanced proportions. Accompanied by an International Gemological Institute (IGI) certificate, this sapphire provides professional gemological identification, offering buyers confidence in its authenticity and characteristics. The classic oval cut maximizes brilliance while showcasing the sapphire's rich colour, making it an exceptional centre stone for a luxury engagement ring, pendant, or bespoke fine jewellery. Gemstone Details Gemstone: Natural Blue Sapphire Species: Natural Corundum Variety: Blue Sapphire Weight: 3.71 Carats Shape/Cut: Oval Mixed Cut Measurements: 10.45 × 7.83 × 5.94 mm Colour: Natural Blue Transparency: Transparent Certification: International Gemological Institute (IGI) Number of Stones: 1 Highlights Natural Blue Sapphire 3.71 Carats Elegant Oval Cut IGI Certified Attractive Natural Blue Colour Excellent Brilliance Perfect for High-End Jewellery Ideal for Collectors Exact Gemstone Shown in the Photographs Secure Worldwide Shipping