Gemstone Colours

Every gemstone is exceptional with an extraordinary shading origination and story. Gemstone come in each shade of the rainbow and are accumulated from all edges of the world. With each hued gemstone having a one of a kind making of excellent shading. Some gemstone have been cherished since before history started and others were just found as of late.

Shading has three parts that are primary Hue, Tone and Saturation.

Tone is alluded to as the shade, sensation or tint of a shading. The GIA GemSet® has 31 Hues which are frequently used to explain it for all intents and purposes all gemstone hues. The GIA that is finished GemSet has 324 example tint hues with differing Tones and Saturations.

Tone is alluded to as the softness that is relative dimness of a Hue. The GIA Tone Scale is partitioned into 11 grades, 0 to 10, with 0 being vapid to 10 being dark.

Immersion is alluded to as the immaculateness or quality of a Hue. The GIA Saturation Scale is from 1 to 6. The diminished numbers (1, a couple) of warm hues such as red, orange or tend that is yellow look tanish notwithstanding cool hues such as blue and green tend to look grayish. Level 4 no more shows either brownishness or grayishness, while nor is solid or powerless. Level 5 is level and solid 6 being distinctive, practically over hued.

 

Various Gemstone Colours

gemstone colour scale
gemstone colour scale

GIA Hue, Tone & Saturation Scales

How Color is described using the GIA Color Grades for Colored Gemstones.

Hue

 

 

Tone

 

RP/PR

Red-Purple or Purple-Red

 

0

C – Colorless/white

stpR

strongly purplish Red

 

 

1

EXL – Extremely Light

slpR

slightly purplish Red

 

2

VL – Very Light

R

Red

 

3

L- Light

oR

orangy Red

 

4

ML – Medium Light

RO/OR

Red-Orange or Orange-Red

 

5

M – Medium

rO

reddish Orange

 

6

MD – Medium Dark

O

Orange

 

7

D – Dark

yO

yellowish Orange

 

8

VD – Very Dark

Y

Yellow

 

9

EXD – Extremely Dark

gY

greenish Yellow

YG/GY

Yellow-Green or Green-Yellow

styG

strongly yellowish Green

yG

yellowish Green

slyG

slightly yellowish Green

G

Green

vslbG

very slightly bluish Green

bG

bluish Green

vstbG

very strongly bluish Green

GB/BG

Green-Blue or Blue-Green

vstgB

very strongly greenish Blue

gB

greenish Blue

vslgB

very slightly greenish Blue

B

Blue

vB

violetish Blue

bV

bluish Violet

V

Violet

bP

bluish Purple

P

Purple

rP

reddish Purple

 

Saturation

gr(br)

grayish(brownish)

slgr(br)

slightly grayish(brownish)

vslgr(br)

very slightly grayish(brownish)

mst

moderately strong

s

strong

v

vivid

 

Exceptions (Saturation)

pk

pink

brn

brown

 

Color by Spectrum Exceptions (Saturation)

w

white

n

none, colorless or clear

b

black