Updated For 6.0.2 Warlords of Draenor

Gem Quality

Color Popularity Gem Quality
Red/Yellow 6 star Artful Vermilion Onyx
+80 Intellect and +160 Mastery
Rare
Red/Yellow 2 star Reckless Vermilion Onyx
+80 Intellect and +160 Haste
Rare
Red/Yellow 1 star Potent Vermilion Onyx
+80 Intellect and +160 Critical Strike
Rare
Red/Yellow 1 star Keen Vermilion Onyx
+160 Expertise and +160 Mastery
Rare
Red/Yellow 1 star Reckless Ember Topaz
+20 Intellect and +40 Haste
Rare
Red/Yellow 1 star Wicked Vermilion Onyx
+160 Expertise and +160 Haste
Rare
Red/Yellow/Blue 1 star Enchanted Pearl
+4 All Stats
Uncommon
Red/Yellow 1 star Perfect Potent Tiger Opal
+80 Intellect and +160 Critical Strike
Rare