Updated For 6.0.2 Warlords of Draenor

Gem Quality

Color Popularity Gem Quality
Red/Blue 6 star Assassin's Serpent's Eye
+160 Agility and +160 PvP Power
Epic
Red/Yellow/Blue 2 star Nightmare Tear
+0 All Stats
Epic
Blue 2 star Rigid Majestic Zircon
+40 Hit
Epic
Red/Yellow/Blue 1 star Void Sphere
+4 Resist All
Epic