VVS (Eye Clean)

Inclusions can only be seen with 10-power magnification and are usually only apparent to a trained professional. No inclusions are visible to the unaided eye.

VS (EC)

Inclusions can only be seen with 10-power magnification and are somewhat easy for a trained professional to locate. Inclusions are usually not visible to the unaided eye.

SI1-2

Inclusions under 10 powers are noticeable to a trained professional and apparent to the consumer. Inclusions may be seen with the unaided eye.

I (I1, I2, I3)

Inclusions under 10-power are obvious to the trained professional and noticeable to the consumer. Inclusions are visible to the unaided eye. Inclusions may affect the appearance and durability of the stone.