Updated For 6.0.2 Warlords of Draenor

Gem Quality

Color Popularity Gem Quality
Red/Blue 6 star Tense Imperial Amethyst
+80 Strength and +80 PvP Power
Rare
Red/Blue 5 star Sovereign Imperial Amethyst
+80 Strength and +120 Stamina
Rare
Yellow/Blue 2 star Piercing Wild Jade
+160 Critical Strike and +160 Hit
Rare
Red/Blue 2 star Etched Imperial Amethyst
+80 Strength and +160 Hit
Rare
Blue 2 star Perfect Rigid Lapis Lazuli
+320 Hit
Rare
Blue 1 star Rigid River's Heart
+320 Hit
Rare
Yellow/Blue 1 star Puissant Wild Jade
+160 Mastery and +120 Stamina
Rare
Yellow/Blue 1 star Regal Wild Jade
+160 Dodge and +120 Stamina
Rare