Grading Card Professional White Zircon Color Grading Sorting Tray 4C Grading Paper

Features:
The color comparison card tray can be used to identify the colors of and gemstones. Easy to use.
The colorimetric card can observe the color of the itself of a colorimetric lamp.
When grading diamonds, a dedicated colorimetric light is used, and a colorimetric board or paper is used as the background. The whiter the color, the rarer and more the .
The size is approximately 12.5x9cm/4.92x3.54inch. Foldable. Easy to carry.
Tips: Color comparison cards are auxiliary tools for distinguishing color levels, not a comparison tool for color grading.

Specifications:
: Paper
Size: Approx. 12.5x9cm/4.92x3.54inch

note:
Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.

Package Includes:
1x Grading Card