Excellent 7.57ct royal blue Star Sapphire

This sapphire features a mirror luster with a crisp, needle fine floating star pattern that follows the gems movement. It has a glistening blue hue with a superior luster, and an opaque body that amplifies its natural star effect. It measures an impressive 12mm x 9.6mm x 5.7mm, and has a Mohs hardness rating of 9 out of 10, making it perfect for jewelry. Sourced from Thailand. Diffused.