This product is a stunning 8.49 carat Black Star Sapphire with excellent 6-rayed glory. The gemstone is of natural origin from Thailand and has been polished to a high shine. With a black color and an oval shape, this beautiful gemstone has a length of 12.5mm, depth of 5.8mm, and width of 9.4mm. It is a valuable addition to any jewelry collection for those seeking a unique and eye-catching gemstone.