The ColorCodex™ referencing system is easy to use and intuitive for comparing and referencing color(s) in faceted gemstones. ColorCodex™ was developed by gemologists as a tool to establish the color of a gemstone in a manner that is both accurate and repeatable.

Included in the ColorCodex™ color referencing system:

- 13 ColorCodex™ color referencing sheets
- 5 ColorCodex™ overlay sheets
- 3 Plastic travel sleeves for the color referencing sheets

For clients who reside outside of the continental USA and wish to place an order, please contact us directly at info@color-codex.com.