Unique 15.46ct unheated Star Sapphire

This sapphire features a mirror luster with a floating star pattern that follows the gems movement. It has a silky black to gold and green hue with full saturation, and an opaque body that amplifies this natural effect. It measures an impressive 15.9mm x 13.6mm x 6.4mm, and has a Mohs hardness rating of 9 out of 10, making it perfect for jewelry. Sourced from Thailand.