Updated For 6.0.3 Warlords of Draenor

Gem Quality

Color Popularity Gem Quality
Red 6 star Brilliant Queen's Garnet
+50 Intellect
Epic
Yellow 3 star Quick Serpent's Eye
+480 Haste
Epic
Red 3 star Brilliant Serpent's Eye
+320 Intellect
Epic
Blue 3 star Sparkling Serpent's Eye
+480 Spirit
Epic
Red/Blue 3 star Timeless Shadow Spinel
+25 Intellect and +37 Stamina
Epic
Yellow 3 star Fractured Serpent's Eye
+480 Mastery
Epic
Meta 3 star Tyrannical Primal Diamond
+665 PvP Power and +775 PvP Resilience
Epic