This product is a stunning 10.64CT natural blue sapphire cabochon, sourced from Africa and polished to a beautiful finish. The oval-shaped gemstone measures 11.7x11.2x6.7mm and has a good cut grade, making it a high-quality piece for jewelry making or investment purposes. The sapphire is heated to enhance its vibrant blue color and VS clarity, making it a desirable gemstone for those seeking a natural and authentic stone with a touch of elegance.