Updated For 6.0.3 Warlords of Draenor

Gem Quality

Color Popularity Gem Quality
Yellow/Blue 6 star Forceful Wild Jade
+160 Haste and +120 Stamina
Rare
Yellow/Blue 3 star Lightning Alexandrite
+120 Haste and +120 Hit
Uncommon
Yellow/Blue 3 star Piercing Alexandrite
+120 Critical Strike and +120 Hit
Uncommon
Red/Yellow 3 star Willful Vermilion Onyx
+80 Intellect and +80 PvP Resilience
Rare