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GIA Diamond Color Grading Chart

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Diamond Color Grading
GIA Color Scale Trade Terms
Colorless D Colorless Finest White Jager Colorless
  E River
F Fine White
G Near Colorless Top Wesselton Stones in these grades will 'face up' colorless
H White Wesselton
I Commercial White Top Crystal
J Top Silver Cape Crystal Small stones in this range will 'face up' colorless when mounted, but large ones will be tinted
K Faint Yellow Silver Cape Top Cape
L
M Light Cape Cape Mounted stones in these grades will display a yellowish tint even to the untrained eye.
N Very Light Yellow Low Cape
O Cape Very Light Yellow
P
Q
R
S Light Yellow Dark Cape
T
U
V
W
X
Y
Z
Fancy Yellow Z+ Fancy


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