||Flawless, Internally Flawless: No internal or external imperfections. Internally Flawless: No internal imperfections. Very rare.
||Very, Very Slightly Included: Very difficult to see imperfections under 10x magnification. An excellent quality diamond.
||Very Slightly Included: Imperfections are not typically visible to the unaided eye. Less expensive than the VVS1 or VVS2 grades.
||Slightly Included: Imperfections are visible under 10 x magnifications, and may be visible with the unaided eye.
||Included: This grade of diamonds will have minor inclusions that may be visible to the unaided eye.
||Inclusions are heavy and visible to the unaided eye