Color - 4Cs of Diamonds
What is color grade?
Colorless diamonds are valued by how closely they approach "colorlessness" – the less color, the higher their color grade.
Most diamonds found in jewelry stores range from colorless to near-colorless, with slight hints of yellow or brown.
How it is graded?
Diamonds are graded un-mounted, pavilion up, which means they are upside down (see interactive tool below)
Diamonds are color-graded by expertly trained graders, by comparing them to "master stones" of known color under precise viewing and controlled lighting conditions.
The scale begins with the letter D (colorless), and continues with increasing presence of color to the letter Z (light yellow or brown)
Each letter grade has a clearly defined range of color appearance
Can I tell a difference?
See for yourself!
Use the interactive tool below to compare the different color grades
Diamonds in the D-to-Z color range are valued by how closely they approach colorlessness – the absence of color makes a diamond rare and affects the value
Subtle differences in color can dramatically affect diamond value. Two diamonds of the same carat weight, clarity, and cut can differ in value based on color alone.