Gemoro CZ Master Sets

Easily and professionally color grade diamonds with these CZ master stones, each expertly graded to master diamond color standards. To facilitate color grading and resorting, the individual color of each stone is laser inscribed on the stone’s table for easy viewing with a 10x loupe. The set comes in a case and is supplied with two stone holders for comparing mounted stones. Made in the U.S.A. Lifetime limited manufacturer's warranty against color change.