GIA's color-grading scale for diamonds is the industry standard. The scale begins with the letter D, representing colorless, and continues with increasing ...

GIA's D-to-Z diamond color-grading system measures the degree of colorlessness by comparing a stone under controlled lighting and precise viewing conditions to ...

The D color Graff Lesedi La Rona weighs 302.37 carats (cts) and is currently.

Diamond Quality · How to Buy a Diamond · Diamond Grading Scales · About GIA

Understand what a carat is and what it measures with expert advice and tips from GIA professionals. Carat weight is one of the 4Cs of diamond quality from ...

GIA's D-to-Z color-grading scale is the industry's most widely accepted grading system. The scale begins with the letter D, representing colorless, and ...

The color evaluation of most gem-quality diamonds is based on the absence of color. A chemically pure and structurally perfect diamond has no hue, like a drop ...

Learn about GIA 4Cs of diamond quality before you buy a diamond; The 4 Cs are diamond color, diamond cut, diamond clarity, and diamond carat weight.

History of the 4Cs · GIA Clarity Scale · Diamond Color Chart

Color. Colorless diamonds are scarce—most diamonds have tints of yellow or brown. ; 4Cs. Factors used to describe diamonds: Clarity, Color, Cut, Carat Weight.