| DIAMOND GRADING SCALES | |
| Colour | |
| DEF | Colourless |
| GHIJ | Near Colourless |
| KLM | Faint Yellow |
| NOPQR | Very Light Yellow |
| STUVWX | Light Yellow |
| YZ | Fancy Yellow |
| Clarity | |
| FL | Flawless |
| VVS1 | Very, Very Slight Inclusions |
| VVS2 | Very, Very Slight Inclusions |
| VS1 | Very Slight Inclusions |
| VS2 | Very Slight Inclusions |
| SI1 | Slight Inclusions |
| SI2 | Slight Inclusions |
| PI or I1 | Inclusions |
| P2 or I2 | Inclusions |
| P3 or I3 | Inclusions |
| Diamond Cuts | |
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