Updated For 5.4 Mists of Pandaria

Gem Quality

Color Popularity Gem Quality Auction Price
Red/Blue 6 star Glinting Tanzanite
+5 Agility and +4 Hit
Epic
Blue 3 star Rigid Serpent's Eye
+480 Hit
Epic
Red/Blue 3 star Shifting Tanzanite
+5 Agility and +6 Stamina
Epic
Red/Blue 3 star Glinting Shadow Spinel
+25 Agility and +25 Hit
Epic
Red/Yellow/Blue 3 star Nightmare Tear
+10 All Stats
Epic