Updated For 6.0.3 Warlords of Draenor

Gem Quality

Color Popularity Gem Quality
Red/Blue 6 star Purified Shadow Spinel
+25 Intellect and +50 Spirit
Epic
Red/Blue 6 star Purified Dreadstone
+10 Intellect and +20 Spirit
Epic
Red/Blue 6 star Etched Shadow Spinel
+25 Strength and +50 Hit
Epic
Red/Blue 6 star Mysterious Serpent's Eye
+160 Intellect and +160 PvP Power
Epic