Updated For 6.0.3 Warlords of Draenor

Gem Quality

Color Popularity Gem Quality
Red/Blue 6 star Shifting Shadow Spinel
+25 Agility and +37 Stamina
Epic
Red/Blue 2 star Glinting Shadow Spinel
+25 Agility and +50 Hit
Epic
Red/Yellow/Blue 1 star Nightmare Tear
+0 All Stats
Epic
Red/Yellow/Blue 1 star Void Sphere
+4 Resist All
Epic