Most diamonds, although appearing colorless, actually have slight tones of yellow or brown. As these tones become more easily apparent, the rarity and the cost decrease.





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