Updated For 6.0.3 Warlords of Draenor

Gem Quality

Color Popularity Gem Quality
Red/Blue 6 star Glinting Tanzanite
+5 Agility and +4 Hit
Epic
Red/Blue 1 star Timeless Tanzanite
+5 Intellect and +6 Stamina
Epic
Blue 1 star Solid Serpent's Eye
+480 Stamina
Epic
Red/Blue 1 star Shifting Tanzanite
+5 Agility and +6 Stamina
Epic
Blue 1 star Rigid Serpent's Eye
+480 Hit
Epic