Updated For 6.0.2 Warlords of Draenor

Gem Quality

Color Popularity Gem Quality
Red 6 star Brilliant Serpent's Eye
+320 Intellect
Epic
Meta 4 star Tyrannical Primal Diamond
+665 PvP Power and +775 PvP Resilience
Epic
Red/Blue 2 star Mysterious Serpent's Eye
+160 Intellect and +160 PvP Power
Epic
Red/Yellow 1 star Stalwart Fire Opal
+5 Parry and +4 Dodge
Epic