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: July-19-2013
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