Updated For 5.4 Mists of Pandaria

Gem Quality

Color Popularity Gem Quality Auction Price
Yellow 6 star Fractured Serpent's Eye
+480 Mastery
Epic
Red/Yellow/Blue 3 star Nightmare Tear
+10 All Stats
Epic
Yellow 3 star Smooth Serpent's Eye
+480 Critical Strike
Epic
Yellow 3 star Mystic Lightstone
+50 PvP Resilience
Epic