Glittering Stones » Diamond 4 C's » Clarity » GIA Diamond Clarity Grading Scale
Category |
Flawless |
Internally Flawless |
Very Very Slightly Included |
Very Slightly Included |
Slightly Included |
Included |
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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
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