Huge! 23.70ct 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 a whopping 17.2mm x 13.7mm x 8.4mm, and has a Mohs hardness rating of 9 out of 10, making it perfect for jewelry. Sourced from Thailand. Diffused.