on Wednesday, 22 January 2014. Posted in Diamond Education

Key Points

  • Color refers to a diamond's lack of color, grading the whiteness of a diamond.

  • A color grade of D is the highest possible, while Z is the lowest.

  • Diamonds with a color grade of J or higher.

Color manifests itself in a diamond as a pale yellow. This is why a diamond's color grade is based on its lack of color. The less color a diamond has, the higher its color grade. After cut, color is generally considered the second most important characteristic when selecting a diamond. This is because the human eye tends to detect a diamond's sparkle (light performance) first, and color second.

Z-N Noticeable color.
M-K Noticeable color.
J-I Near-colorless. An exceptional value with slightly detectable warmth or tone.
H-G Near-colorless. Color difficult to detect unless compared side-by-side against diamonds of better grades. An excellent value.
F-E Colorless. Minute traces of color can be detected by an expert gemologist. A rare diamond.
D Absolutely colorless. The highest color grade. Extremely rare.

What Color is Right for Me?
For the purist, look for a colorless diamond with a grade of D-F for a diamond with no discernible color.

For an excellent value in a diamond with little or no noticeable color to the unaided eye, look for a near-colorless grade of G-I

Now that you understand how color affects the white look of a diamond, you are ready to learn about clarity.

Want to learn even more about color? Check out our tips and hints section.

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