GemOro Diamond Grading Kits

The ability to easily and professionally color grade diamonds is now at your fingertips! Press the button and magically the master set opens with its hydraulic, patented hydro-hinge to display the sets 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.