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

The Complete Guide to Diamond Color Scale

Diamond Colour Chart and Grades

Can you guess what color grades these diamonds have? 💎🤔 GIA’s D-to-Z Diamond Color Scale is used to evaluate the depth of a diamond’s color, with D diamonds being colorless and Z diamonds being light yellow, light brown, or light gray. Diamond color grades can be hard to tell with the naked eye, but they impact diamond value. Be confident in your diamond’s 4Cs quality with a GIA Diamond Grading Report. Video courtesy: @gemmologyobsession on IG | 4Cs of Diamond Quality by GIA

Diamond Color Chart - Beyond the D-Z Diamond Color Scale | Naturally Colored

Diamond Color Chart: The Official GIA Color Scale

How do experts assess a diamond’s color? Although many diamonds appear colorless, GIA gemologists can detect even the slightest presence of yellow or other hues. GIA established the color grading standard, called the GIA Color Scale, to indicate the absence or presence of color. The scale begins with the letter D, representing colorlessness, and continues with the increasing presence of color to the letter Z. Diamond graders use color-comparison diamonds, called masterstones, to determine a diam