Updated For 6.0.3 Warlords of Draenor

Gem Quality

Color Popularity Gem Quality
Red/Yellow/Blue 6 star Nightmare Tear
+0 All Stats
Epic
Red/Yellow/Blue 3 star Void Sphere
+4 Resist All
Epic
Red/Blue 3 star Timeless Tanzanite
+5 Intellect and +6 Stamina
Epic
Red/Blue 3 star Sovereign Dreadstone
+10 Strength and +15 Stamina
Epic
Red/Blue 3 star Mysterious Tanzanite
+5 Intellect and +5 PvP Power
Epic
Red/Blue 3 star Shifting Tanzanite
+5 Agility and +6 Stamina
Epic
Red/Blue 1 star Sovereign Shadow Spinel
+25 Strength and +37 Stamina
Epic
Red/Blue 1 star Sovereign Tanzanite
+5 Strength and +6 Stamina
Epic