Updated For 6.0.3 Warlords of Draenor

Gem Quality

Color Popularity Gem Quality
Blue 6 star Solid Serpent's Eye
+480 Stamina
Epic
Yellow/Blue 3 star Radiant Chrysoprase
+5 Critical Strike and +5 PvP Power
Epic
Red/Blue 2 star Shifting Tanzanite
+5 Agility and +6 Stamina
Epic
Red/Blue 2 star Sovereign Dreadstone
+10 Strength and +15 Stamina
Epic