Updated For 6.0.3 Warlords of Draenor

Gem Quality

Color Popularity Gem Quality
Red 6 star Brilliant Serpent's Eye
+320 Intellect
Epic
Red 3 star Brilliant Queen's Garnet
+50 Intellect
Epic
Yellow 2 star Fractured Serpent's Eye
+480 Mastery
Epic
Red/Yellow/Blue 1 star Nightmare Tear
+0 All Stats
Epic
Yellow 1 star Quick Serpent's Eye
+480 Haste
Epic
Blue 1 star Rigid Serpent's Eye
+480 Hit
Epic
Yellow 1 star Smooth Serpent's Eye
+480 Critical Strike
Epic
Red 1 star Brilliant Cardinal Ruby
+20 Intellect
Epic
Red/Yellow 1 star Reckless Lava Coral
+25 Intellect and +50 Haste
Epic