This GemOro master set allows users to easily color grade stones.
This GemOro CZ master set allows users to easily color grade stones. The individual color of each stone is laser inscribed on the stone's table for easy visibility with a 10x loupe. Includes a lifetime warranty against color change. Comes in a protective case with built-in grading tray, leatherette carrying pouch, and stone holders. This set includes 1ct stones graded E,F,G,H,I,J,K,L,M,N. Comes with LED built in, powered by Mini USB with built in battery.