Updated For 5.4 Mists of Pandaria

Gem Quality

Color Popularity Gem Quality Auction Price
Red/Blue 6 star Assassin's Serpent's Eye
+160 Agility and +160 PvP Power
Epic
Red/Blue 1 star Etched Tanzanite
+5 Strength and +4 Hit
Epic
Blue 1 star Rigid Serpent's Eye
+480 Hit
Epic
Red/Yellow/Blue 1 star Void Sphere
+4 Resist All
Epic
Red/Yellow/Blue 1 star Nightmare Tear
+10 All Stats
Epic
Red/Blue 1 star Purified Tanzanite
+5 Intellect and +4 Spirit
Epic