1.64 Carat Natural Black Round Diamond GIA

This is a 1.64 carat round diamond with a Fancy No Overtone Black color grade, certified by the GIA as a natural, untreated stone. The round cut is a standard brilliant configuration for this diamond type. Being offered as a loose stone, it is unset and available for custom mounting. The GIA certification provides documentation of the diamond's natural origin and the absence of treatments.