Substantial 8.42ct royal blue Star Sapphire

This sapphire features a mirror luster with a robust floating star pattern that follows the gems movement. It has a rich royal blue body color that beautifully amplifies its natural star effect, and an opaque body ensuring no loss of pattern. It measures an impressive 11.5mm x 9.5mm x 6.6mm, and has a Mohs hardness rating of 9 out of 10, making it perfect for jewelry. Sourced from Bangkaja, Thailand. Diffused.