The clarity of a diamond is measured on the Diamond Clarity Chart. Below are the Grades and Categories of Diamond Pendants:
Flawless (FL) Diamond Pendants
Flawless diamond pendants have no inclusions or blemishes under 10Xs magnfication
Internally Flawless (IF) Diamond Pendants
Internally flawless diamond pendants have no inclusions under 10Xs magnification, but small blemishes on diamond surface
Very Very Slightly Included (VVSI) Diamond Pendants
VVSI Diamond Pendants can be further broken down into VVS1 and VVS2. The diamonds have very small inclusions under 10Xs magnification. VVS1 has slightly better clarity then VVS2.
Very Slightly Included (VSI) Diamond Pendants
VSI Diamond Pendants have small inclusions. VSI diamonds are also further categorized as VS1 and VS2. VS2 diamond pendants sometimes show inclusions to the naked eye.
Included Diamond Pendants
Inclusions can be often be seen by the naked eye. Included diamond pendants can be separated into I1, I2, & I3, with I1 being the clearest.
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