1.33 Carat Blue SRI LANKAN Cushion Sapphire

This 1.33 carat sapphire is a cushion-cut stone of blue color, originating from Sri Lanka. The stone has been heat-treated, a standard practice in sapphire enhancement that improves color and clarity. It is offered as a loose stone, unset. For detailed optical properties, fluorescence characteristics, and certification information, verification through the original source documentation is recommended.