Updated For 6.0.3 Warlords of Draenor

Gem Quality

Color Popularity Gem Quality
Red/Blue 6 star Mysterious Serpent's Eye
+160 Intellect and +160 PvP Power
Epic
Red/Yellow/Blue 4 star Nightmare Tear
+0 All Stats
Epic
Red/Yellow/Blue 3 star Void Sphere
+4 Resist All
Epic
Red/Blue 2 star Timeless Tanzanite
+5 Intellect and +6 Stamina
Epic
Red/Blue 1 star Glinting Tanzanite
+5 Agility and +4 Hit
Epic
Red/Blue 1 star Purified Tanzanite
+5 Intellect and +4 Spirit
Epic
Red/Blue 1 star Purified Tanzanite
+5 Intellect and +4 Spirit
Epic
Red/Blue 1 star Etched Tanzanite
+5 Strength and +4 Hit
Epic
Red/Blue 1 star Purified Shadowsong Amethyst
+5 Intellect and +10 Spirit
Epic
Red/Blue 1 star Mysterious Shadow Spinel
+25 Intellect and +25 PvP Power
Epic
Red/Blue 1 star Timeless Shadow Spinel
+25 Intellect and +37 Stamina
Epic