3.57 Carat Natural Black Marquise Diamond GIA

This is a 3.57 carat diamond with a marquise cut and Fancy No Overtone Black color grading from the Gemological Institute of America. The stone is untreated and offered as a loose diamond. The marquise shape provides an elongated profile with pointed ends, a classical faceting pattern often selected for distinctive visual proportions. Black diamonds of this grade and carat weight are relatively uncommon in the market.