Updated For 6.0.2 Warlords of Draenor

Gem Quality

Color Popularity Gem Quality
Meta 6 star Tyrannical Primal Diamond
+665 PvP Power and +775 PvP Resilience
Epic
Red 4 star Brilliant Serpent's Eye
+320 Intellect
Epic
Yellow 2 star Smooth Serpent's Eye
+480 Critical Strike
Epic
Red 1 star Delicate Serpent's Eye
+320 Agility
Epic
Red/Yellow/Blue 1 star Nightmare Tear
+0 All Stats
Epic