Clarity Scale | |
| IF - Clean | The Gem in the interior and on the surface is free from inclusions of any kind . |
| VVS - Eye Clean | The Gem is clean to the naked eye. |
| VSI - Very Slight Inclusions | The Gem is included slightly but it does not affect the brilliance and beauty in anyway. |
| SI - Slight Inclusions | The Gem has little inclusions visible to the naked eye. |
| I - Included | The Gem has visible large or many minor inclusion which somewhat affect the Gem's brilliance. |
| Transparent | The Gem allows light to pass through i.e., it has the property of transmitting light without appreciable scattering. |
| Translucene | The Gem allows light to pass through , but the light is diffused . |
| Opaque | The Gem is not transparent or translucent , it does not allow light to pass through. |