Updated For 5.4 Mists of Pandaria

Gem Quality

Color Popularity Gem Quality Auction Price
Red/Yellow/Blue 6 star Nightmare Tear
+10 All Stats
Epic
Red/Blue 4 star Assassin's Serpent's Eye
+160 Agility and +160 PvP Power
Epic
Red/Yellow/Blue 3 star Void Sphere
+4 Resist All
Epic
Red/Blue 2 star Glinting Shadow Spinel
+25 Agility and +25 Hit
Epic
Red/Blue 2 star Glinting Tanzanite
+5 Agility and +4 Hit
Epic
Red/Blue 1 star Sovereign Tanzanite
+5 Strength and +6 Stamina
Epic
Red/Blue 1 star Glinting Tanzanite
+5 Agility and +4 Hit
Epic
Red/Blue 1 star Shifting Tanzanite
+5 Agility and +6 Stamina
Epic