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Color Grading Chart

Grade Blue Sapphire Ruby Emerald Pink Sapphire Yellow Sapphire

1

 ROYAL BLUE

 RED

 FOREST GREEN

 VERY DARK

 DARK 

2

 MEDIUM BLUE +

 DARK RED PINK 

DARK GREEN

 DARK

 BERYL

3

 MEDIUM BLUE  

 DARK PINK  

 GREEN  

 MEDIUM

 GOLD

4

 DARK BLUE

 PINK

 GREEN LIGHT

 LIGHT

 GOLD LIGHT