Updated For 6.0.2 Warlords of Draenor

Gem Quality

Color Popularity Gem Quality
Red/Yellow/Blue 6 star Nightmare Tear
+0 All Stats
Epic
Red/Blue 1 star Purified Tanzanite
+5 Intellect and +4 Spirit
Epic
Blue 1 star Rigid Serpent's Eye
+480 Hit
Epic
Red/Blue 1 star Purified Shadow Spinel
+25 Intellect and +50 Spirit
Epic
Red/Blue 1 star Assassin's Serpent's Eye
+160 Agility and +160 PvP Power
Epic
Blue 1 star Solid Serpent's Eye
+480 Stamina
Epic