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Glittering Stones » Gemstone Facts » GIA Tone And Saturation Scale
GIA Tone And Saturation Scale
GIA Tone Scale
| 0 |
1 |
2 |
3 |
4 |
| Colorless or White |
Extremely Light |
Very Light |
Light |
Medium-Light |
| 5 |
6 |
7 |
8 |
9 |
| Medium |
Medium-Dark |
Dark |
Very Dark |
Extremely Dark |
GIA Saturation Scale
| 1 |
2 |
3 |
4 |
5 |
6 |
| Brownish or Grayish |
slightly Brownish or slightly Grayish |
very slightly Brownish or very slightly Grayish |
Moderately Strong |
Strong |
Vivid |
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