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 4 star Void Sphere
+4 Resist All
Epic
Yellow/Blue 2 star Misty Chrysoprase
+5 Critical Strike and +4 Spirit
Epic
Yellow/Blue 2 star Radiant Chrysoprase
+5 Critical Strike and +5 PvP Power
Epic
Yellow/Blue 2 star Zen Elven Peridot
+50 Spirit and +50 Mastery
Epic
Yellow/Blue 2 star Jagged Seaspray Emerald
+10 Critical Strike and +7 Stamina
Epic
Yellow/Blue 1 star Regal Chrysoprase
+5 Dodge and +6 Stamina
Epic