Updated For 6.0.3 Warlords of Draenor

Gem Quality

Color Popularity Gem Quality
Red/Blue 6 star Assassin's Serpent's Eye
+160 Agility and +160 PvP Power
Epic
Yellow/Blue 2 star Balanced Elven Peridot
+50 Hit and +25 PvP Resilience
Epic
Blue 2 star Stormy Deepholm Iolite
+50 PvP Power
Epic
Blue 1 star Stormy Majestic Zircon
+20 PvP Power
Epic