FL

Flawless

No inclusions and no blemishes visible to a skilled grader using 10x magnification.

IF

Internally Flawless

No inclusions and only blemishes are visible to a skilled grader using 10x magnification.

VVS1

Very, Very Slightly Included

Minute inclusions that range from extremely difficult to very difficult to see are visible to a skilled grader using 10x magnification.

VVS2

Very, Very Slightly Included

Minute inclusions that range from extremely difficult to very difficult to see are visible to a skilled grader using 10x magnification.

VS1

Very Slightly Included

Minor inclusions that range from difficult to somewhat easy to see are visible to a skilled grader using 10x magnification.

VS2

Very Slightly Included

Minor inclusions that range from difficult to somewhat easy to see are visible to a skilled grader using 10x magnification.

SI1

Slightly Included

Noticeable inclusions that range from easy to very easy to see are visible to a skilled grader using 10x magnification.

SI2

Slightly Included

Noticeable inclusions that range from easy to very easy to see are visible to a skilled grader using 10x magnification.

I1

Included

Obvious inclusions are visible to a skilled grader using 10x magnification and may affect transparency and brilliance.

I2

Included

Obvious inclusions are visible to a skilled grader using 10x magnification and may affect transparency and brilliance.

I3

Included

Obvious inclusions are visible to a skilled grader using 10x magnification and may affect transparency and brilliance.

GIA Clarity Scale
FL
IF
VVS1
VVS2
VS1
VS2
SI1
SI2
I1
I2
I3
Flawless Internally Flawless Very, Very Slightly Included Very Slightly Included Slightly Included Included