Diamonds boast an entire range of colors, from faint yellow or brown to rare pinks, blues and even greens. The best color for most diamonds is a lack of color. It is the totally colorless diamond that allows white light to pass through it effortlessly; dispersed as rainbows of color.

Color combined with cut have the greatest influence on how the diamond will look when mounted and worn. Because color is judged with the naked eye, we recommend choosing color over clarity.

Acting as a prism, a diamond can divide light into a spectrum of colors and reflect this light as colorful flashes called fire. Just as when looking through colored glass, color in a diamond will act as a filter, and will diminish the spectrum of color emitted. The less color in a diamond, the more colorful the fire, and the better the color grade.

D: Absolutely no color. The highest color grade, which is extremely rare.
E: Colorless. Only minute traces of color can be detected by an expert gemologist.
    A rare diamond
F: Colorless. Slight color detected by an expert gemologist, but still considered a "colorless"
     grade. A high quality diamond.
G-I: Near-colorless. Color noticeable when compared to diamonds of higher color, but
     these grades offer great value.
J-K: Color slightly detectable when the diamond is in the face up position. The brilliance
     of a well cut diamond can sometimes mask these colors. An excellent value.
L-M: Noticeable color, commonly yellow and brown. 
N-Z: Noticeable color, in some cases referred to champagne or cognac colors.

What color is best?
* For the purist, look for a colorless diamond with a grade of D-F and a fluorescence rating of 
   faint, inert, none, or negligible.
* For an excellent value in a diamond with no noticeable color to the unaided eye, look for a 
   near-colorless grade of G-I and a fluorescence grade of faint or none.
* For a great look that will help stay on budget, choose a stone with J-K color and a premium cut.
   In some cases it may help to have some fluorescence, however to much can cause a stone to
    look  "greasy"