Updated For 6.0.2 Warlords of Draenor

Gem Quality

Color Popularity Gem Quality
Red/Yellow/Blue 6 star Nightmare Tear
+0 All Stats
Epic
Red/Yellow/Blue 3 star Void Sphere
+4 Resist All
Epic
Yellow/Blue 2 star Radiant Chrysoprase
+5 Critical Strike and +5 PvP Power
Epic
Yellow/Blue 1 star Regal Chrysoprase
+5 Dodge and +6 Stamina
Epic
Yellow/Blue 1 star Radiant Elven Peridot
+50 Critical Strike and +25 PvP Power
Epic