GemOro CZ Master Set For Diamond Color Comparison & Grading 1.0ct 5-stone set (F, H, J, L & N)

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. To identify the color grade and to facilitate in re-sorting the stones, for the first time ever, the individual color of each stone is laser inscribed on the stones table for easy viewing with a 10x loupe.

• F, H, J, L & N comparison stones
• Standard GIA grading scale
• Laser inscribed color id on each stones table for easy view
• Includes solitaire ring stone holders for comparing mounted stones and protective leatherette carrying pouch
• Lifetime limited warranty against color change
• Made in the USA
• Patents pending