Diamond Colour Chart and Grades

Diamond Color Chart: The Official GIA Color Scale

The 4 C's of Diamonds: Evaluating Diamond Quality

Lab-Grown Diamond Color: The Ultimate Guide

What do the highest color graded diamonds look like to the naked eye? Diamonds are colorless in their purest form, but most diamonds contain hints of yellow due to nitrogen-related impurities. Here are some key facts about the rarity, value and aesthetics of diamonds on the D-to-J color scale: - Most diamonds used in jewelry fall between D-J in color. - Diamonds between D-F are considered Colorless. Among diamonds that do not fall on the Fancy color scale, within these color grades are the rares

Specialist checks diamond quality. Diamond color grading with master stones. Gemstone laboratory. Diamond or gem grading and valuation. Close-up

Did you know: GIA created the 4Cs of diamond quality, the universal standard for assessing diamond value. Diamond color grading of most gem-quality colorless diamonds is based on the absence of color. A truly colorless diamond has no hue, and therefore a higher value. The scale begins with the letter D, representing colorless, and continues, with increasing presence of color, to the letter Z. Let GIA help guide you through the D-to-Z diamond color-grading scale with this quick video! | 4Cs of Di

Sarine automated 4c diamond grading