Clarity Grade Definitions
IF - Internally Flawless
Free of inclusions under 10X magnification.
VVS - Very, Very Slightly Included
Extremely small inclusions difficult to find using 10X magnification. No impact on visual appearance of the gemstone.
VS - Very Slightly Included
Small inclusions noticeable under 10x magnification and sometimes visible to the unaided eye. Very limited impact on visual appearance of the gemstone. Commonly considered "eye-clean".
SI - Slightly Included
Small inclusions noticeable with the unaided eye. Limited effect on the overall appearance of the gemstone.
I - Included
Inclusions are visible to the unaided eye. Some impact on the over-all appearance of the gemstone.