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GIA Diamond Clarity Grading Scale

Category

Flawless

Internally Flawless

Very Very Slightly Included

Very Slightly Included

Slightly Included

Included

Grade

FL

IF

VVS

1

VVS

2

VS

1

VS

2

SI

1

SI

2

I

1

I

2

I

3

Flawless (FL)

No inclusions or blemishes visible to skilled grader using 10 x magnification

Internally Flawless (IF)



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

 

Very, Very Slightly Included (VVS1 and VVS2)

Inclusions are difficult for skilled grader to see under 10 x magnification

 

Very Slightly Included (VS1 and VS2)



Inclusions are clearly visible under 10 x magnification, but can be characterized as minor

Slightly Included (SI1 and SI2)



inclusions are noticeable to skilled grader using 10 x magnification

 

Included (I1, I2, and I3)



Inclusions are obvious under 10 x magnification and it may affect transparency and brilliance

 

NOVEMBER BIRTHSTONE - CITRINE


Citrine Gemstone

COMMEMORATIVE EVENT - 13th Anniversary
KEYWORDS - Success, Abundance, Personal Power
ALSO KNOWN AS - Merchant's stone, Success stone
COLORS - Pale yellow to brown
OCCURRENCE - Brazil
COLOR ZONING - Tiger stripes or Zebra stripes

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