Updated For 6.0.3 Warlords of Draenor

Gem Quality

Color Popularity Gem Quality
Blue 6 star Rigid Serpent's Eye
+480 Hit
Epic
Red/Blue 2 star Mysterious Tanzanite
+5 Intellect and +5 PvP Power
Epic
Blue 2 star Sparkling Serpent's Eye
+480 Spirit
Epic
Red/Blue 2 star Timeless Shadow Spinel
+25 Intellect and +37 Stamina
Epic