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 2 star Rigid Serpent's Eye
+480 Hit
Epic
Red/Blue 2 star Shifting Shadow Spinel
+25 Agility and +37 Stamina
Epic