Updated For 6.0.2 Warlords of Draenor

Gem Quality

Color Popularity Gem Quality
Yellow/Blue 6 star Misty Chrysoprase
+5 Critical Strike and +4 Spirit
Epic
Yellow/Blue 6 star Radiant Chrysoprase
+5 Critical Strike and +5 PvP Power
Epic
Yellow/Blue 6 star Zen Elven Peridot
+50 Spirit and +50 Mastery
Epic
Red/Yellow/Blue 6 star Nightmare Tear
+0 All Stats
Epic
Red/Yellow/Blue 1 star Void Sphere
+4 Resist All
Epic