diamond grading chart - igi · 2020-05-18 · diamond grading chart clarity internally flawless...
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DIAMOND GRADING CHART
CLARITY
InternallyFlawless
Very VerySlightly Included
Very SlightlyIncluded
SlightlyIncluded Included
I.F. VVS 1 VVS 2 VS 1 SI 1 SI 2 I 1 I 2 I 3VS 2
CARAT
COLOR
D - F
Colorless
G - J
Near Colorless
K - M
Slightly Tinted
N - R
Very Light
S - Z
Light
CUT
Tota
l De
pth
Table WidthCrown Angle
Pavilion Angle
Girdle Diameter
CrownHeight
Girdle
Culet
Pavilion Depth
Too DeepToo Shallow Excellent to Good
Hearts & Arrows
“ Ideal ”Excellent to Very Good
Light Return
SHAPE
Round Emerald HeartMarquise Pear Cushion Radiant Oval Princess
THE GLOBAL AUTHORITY IN DIAMOND, GEMSTONE AND JEWELRY GRADING www.igi.org
1975
IN
TER
NA
TIO
NA
L GEMOLOG
ICA
L INSTITUTE
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