Updated For 6.0.3 Warlords of Draenor

Gem Quality

Color Popularity Gem Quality
Blue 6 star Solid Serpent's Eye
+480 Stamina
Epic
Blue 2 star Rigid Serpent's Eye
+480 Hit
Epic
Red/Blue 2 star Glinting Shadow Spinel
+25 Agility and +50 Hit
Epic
Yellow/Blue 2 star Jagged Chrysoprase
+10 Critical Strike and +6 Stamina
Epic