CGL COLOR GRADING TRAY
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$50.69
item code: 103-023
Material = Acrylic
Weight / Dimensions = 23 g / 123 x 21 x 20 mm
Central Gem Laboratory Co Ltd (CGL) in Japan developed ideal tray for diamond grading. Eliminates the reflection from the tray to distinguish the very little difference of the color. Use it with gembox or put day-light from vertical direction to have accurate grading.
Made in Japan
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