GemSelect uses the following clarity scale when grading gemstones:
|IF||Loupe Clean - internally flawless; free of inclusions.|
|VVS||Almost Loupe Clean - very, very slight inclusions; inclusions barely seen under 10x magnification.|
|VS||Eye Clean - very slight inclusions; inclusions can be seen under 10x magnification.|
|SI||Slightly included - small inclusions can be seen with the naked eye.|
|I1||Included - inclusions can be seen with the naked eye.|
|Transparent||A gemstone having the property of transmitting light without serious diffusion / may have rutile or other inclusions.|
|Translucent||Allowing light to pass through, but not transparent.|
|Opaque||Does not allow light to pass through.|
- First Published: April-04-2006
- Last Updated: May-27-2014
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