Updated For 5.4 Mists of Pandaria

Gem Quality

Color Popularity Gem Quality Auction Price
Red 6 star Brilliant Serpent's Eye
+320 Intellect
Epic
Red/Blue 1 star Mysterious Serpent's Eye
+160 Intellect and +160 PvP Power
Epic
Red/Yellow 1 star Willful Serpent's Eye
+160 Intellect and +160 PvP Resilience
Epic
Red/Blue 1 star Timeless Tanzanite
+5 Intellect and +6 Stamina
Epic
Red/Yellow/Blue 1 star Nightmare Tear
+10 All Stats
Epic