Clarity grades

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Reference clarity patterns for colored gemstones

Eye clean 1 clarity pattern

VVS, Eye clean 1

Eye clean 2 clarity pattern

VS, Eye clean 2

Slightly included 1 clarity pattern

SI1, Slightly included 1

Slightly included 2 clarity pattern

SI2, Slightly included 2

Included 1 clarity pattern

I1, Included 1

Included 2 clarity pattern

I2, Included 2

Included 3 clarity pattern

I3, Included 3

Opaque clarity pattern

OpQ, Opaque

Horsetail 1 clarity pattern

HTL1, Rich Horsetail (used for Russian demantoids)

Horsetail 2 clarity pattern

HTL2, Weak Horsetail (used for Russian demantoids)