1.66 Carat Blue SRI LANKAN Cushion Sapphire

This is a 1.66 carat blue sapphire of Sri Lankan origin, presented as a loose stone in cushion cut. The stone has undergone heat treatment, a standard practice for sapphires that enhances color saturation and clarity. Sri Lankan sapphires are valued for their typically vivid blue hues and good transparency. No certification body is listed for this stone.