4.31 Carat Green COLOMBIAN Cushion Emerald CD

This is a 4.31-carat Colombian emerald with a cushion cut and green coloration. The stone has been treated with oil, a standard practice for emeralds to improve clarity by filling surface fractures. It is offered as a loose stone and is accompanied by certification documentation. The Colombian origin and moderate size make this a substantial example suitable for custom setting or collection purposes.