Updated For 6.0.2 Warlords of Draenor

Gem Quality

Color Popularity Gem Quality
Yellow/Blue 6 star Piercing Wild Jade
+160 Critical Strike and +160 Hit
Rare
Yellow/Blue 2 star Piercing Alexandrite
+120 Critical Strike and +120 Hit
Uncommon
Yellow/Blue 1 star Balanced Wild Jade
+160 Hit and +80 PvP Resilience
Rare
Yellow/Blue 1 star Steady Wild Jade
+80 PvP Resilience and +120 Stamina
Rare
Yellow/Blue 1 star Energized Wild Jade
+160 Haste and +160 Spirit
Rare
Red/Yellow/Blue 1 star Nightmare Tear
+0 All Stats
Epic