Color

With the exception of some fancy colored diamonds, the most valuable diamonds are those with the least color. The color scale for transparent diamonds runs from D-F (virtually colorless), G-J (near colorless), K-M (faint yellow), to Z (light yellow). Completely colorless diamonds are rare.

D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
Z+
Colorless Near Colorless Faint Yellow Very Light Yellow Light Yellow Fancy

Rare and beautiful colors result in diamonds that form with traces of other minerals, these “fancy” colors range from blue and brilliant yellow to red, brown, pale green, pink and violet. Because of their rarity, colored diamonds are highly desirable and may be quite valuable.