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
Blue 2 star Rigid Serpent's Eye
+480 Hit
Epic
Blue 2 star Solid Serpent's Eye
+480 Stamina
Epic
Red/Yellow/Blue 1 star Void Sphere
+4 Resist All
Epic