Updated For 6.0.3 Warlords of Draenor

Gem Quality

Color Popularity Gem Quality
Red/Blue 6 star Tense Serpent's Eye
+160 Strength and +160 PvP Power
Epic
Red/Blue 6 star Timeless Tanzanite
+5 Intellect and +6 Stamina
Epic
Red/Yellow/Blue 6 star Nightmare Tear
+0 All Stats
Epic