Updated For 6.0.3 Warlords of Draenor

Gem Quality

Color Popularity Gem Quality
Red/Blue 6 star Mysterious Serpent's Eye
+160 Intellect and +160 PvP Power
Epic
Blue 1 star Sparkling Serpent's Eye
+480 Spirit
Epic
Blue 1 star Solid Serpent's Eye
+480 Stamina
Epic
Yellow/Blue 1 star Radiant Chrysoprase
+5 Critical Strike and +5 PvP Power
Epic