Updated For 5.4 Mists of Pandaria

Gem Quality

Color Popularity Gem Quality Auction Price
Blue 6 star Sparkling Serpent's Eye
+480 Spirit
Epic
Blue 3 star Solid Serpent's Eye
+480 Stamina
Epic
Red/Blue 2 star Mysterious Serpent's Eye
+160 Intellect and +160 PvP Power
Epic