GemOro Diamond Grading Kits

The ability to easily and professionally color grade diamonds is now at your fingertips! Press the button, and, like magic, the master set opens with its hydraulic, patented hydro-hinge to display the set's master stones. Each stone is expertly graded to master diamond color standards using the standard GIA grading scale, by the leading lab specialist for over a decade in CZ master set production, GemOro Superior Instruments.