D (completely colorless) to Z (light yellow or brown).
Colorless diamonds (D-F) are significantly rarer and more valuable. 3. Clarity (Fingerprints of the Diamond) what jewelers buy diamonds
The "proper feature" jewelers use to evaluate and buy diamonds is an interconnected framework known as the : Cut , Color , Clarity , and Carat Weight . Established by the Gemological Institute of America (GIA) , these four characteristics are the universal standards for determining a diamond's quality, rarity, and market value. 1. Cut (The Most Important Feature) D (completely colorless) to Z (light yellow or brown)
Clarity measures the internal characteristics (inclusions) and surface irregularities (blemishes). 10 Tips for Buying a Diamond Engagement Ring - GIA 4Cs Clarity (Fingerprints of the Diamond) The "proper feature"
Jewelers grade color based on the absence of color. For standard diamonds, the ideal is completely colorless, like a drop of pure water.