4.05 Carat Blue SRI LANKAN Cushion Sapphire CD

This is a 4.05 carat blue sapphire from Sri Lanka in cushion cut, offered as a loose stone. The stone is unheated and untreated, retaining its natural color. Sri Lankan sapphires are known for their range of blue hues and have been mined commercially for centuries. As a loose stone, this sapphire is suitable for custom setting or verification by a gemological laboratory.