Updated For 5.4 Mists of Pandaria

Gem Quality

Color Popularity Gem Quality Auction Price
Red/Yellow 6 star Willful Serpent's Eye
+160 Intellect and +160 PvP Resilience
Epic
Red/Yellow/Blue 3 star Nightmare Tear
+10 All Stats
Epic
Red/Yellow 2 star Potent Lava Coral
+25 Intellect and +25 Critical Strike
Epic
Red/Yellow 1 star Resplendent Fire Opal
+5 Strength and +4 PvP Resilience
Epic
Red/Yellow 1 star Artful Lava Coral
+25 Intellect and +25 Mastery
Epic