Glittering Stones » Gemstone Facts » GIA Color Grade Scale
GIA Color Grade Scale
Abbreviation |
Hue |
Abbreviation |
Hue |
---|---|---|---|
P |
Purple |
styG |
strongly yellowish-Green |
rP |
reddish-Purple |
yG |
yellowish-Green |
RP/PR |
Red-Purple or Purple-Red |
slyG |
slightly yellowish-Green |
stpR |
strongly purplish-Red |
G |
Green |
slpR |
slightly purplish-Red |
vslbG |
very slightly bluish-Green |
R |
Red |
vstbG |
very strongly bluish-Green |
oR |
orangy Red |
GB/BG |
Green-Blue or Blue-Green |
RO/OR |
Red-Orange or Orange-Red |
vstgB |
very strongly greenish-Blue |
rO |
reddish-Orange |
gB |
greenish-Blue |
O |
Orange |
vslgB |
very slightly greenish-Blue |
yO |
yellowish-Orange |
B |
Blue |
oY |
orangy-Yellow |
vB |
violetish Blue |
Y |
Yellow |
bV |
bluish Violet |
gY |
greenish-Yellow |
V |
Violet |
YG/GY |
Yellow-Green or Green-Yellow |
bP |
bluish Purple |
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