A beautiful, lab-certified, unheated, Ceylon blue sapphire from the gem fields of Marapana, cut & polished in Ratnapura, Sri Lanka. Extraordinarily pleasing and attractive to experience, the color is gorgeous, it is well-shaped, and utterly natural, as Mother Nature created it millions of years ago. It is certified unheated by the Lakshani Gem Testing Lab of Colombo, Sri Lanka.