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Glittering Stones » Gemstone Facts » Colorless Gem Grading Scale
Colorless Gem Grading Scale
| Color |
GIA |
CIBJO |
| Colorless |
D |
Exceptional white+ |
| E |
Exceptional white |
| F |
Rare white+ |
| Near Colorless |
G |
Rare white |
| H |
White |
| I |
Very slightly tinted white |
| J |
Slightly tinted white |
| Faint yellow to faint brown |
K |
Tinted white |
| L |
| M |
Tinted color 1 |
| Very light yellow to very light brown |
N |
Tinted color 2 |
| O |
| P |
| Q |
| R |
| Light yellow to light brown |
S |
Tinted color 3 |
| T |
| U |
| V |
| W |
| X |
| Y |
| Z |
|
Champagne,
Conac,
Greenish,
Brownish |
C+ |
Fancy color |
| Yellowish,
Pinkish,
Bluish |
Light Fancy |
| Yellow,
Green,
Blue,
Purple,
Pink,
Red |
Fancy |
| Fancy Intense |
| Vivid |
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