Updated For 6.0.3 Warlords of Draenor

Gem Quality

Color Popularity Gem Quality
Red/Yellow 6 star Keen Vermilion Onyx
+160 Expertise and +160 Mastery
Rare
Red/Yellow 5 star Artful Vermilion Onyx
+80 Intellect and +160 Mastery
Rare
Red/Yellow 5 star Adept Vermilion Onyx
+80 Agility and +160 Mastery
Rare
Yellow/Blue 3 star Piercing Alexandrite
+120 Critical Strike and +120 Hit
Uncommon
Red/Yellow 3 star Reckless Vermilion Onyx
+80 Intellect and +160 Haste
Rare
Red/Yellow 3 star Deadly Vermilion Onyx
+80 Agility and +160 Critical Strike
Rare
Red/Yellow/Blue 3 star Nightmare Tear
+0 All Stats
Epic
Yellow 2 star Perfect Fractured Sunstone
+320 Mastery
Rare
Yellow/Blue 2 star Jagged Jasper
+30 Critical Strike and +23 Stamina
Uncommon
Yellow/Blue 2 star Perfect Piercing Alexandrite
+160 Critical Strike and +160 Hit
Rare
Yellow 2 star Quick Serpent's Eye
+480 Haste
Epic
Yellow 2 star Fractured Sunstone
+240 Mastery
Uncommon
Yellow/Blue 2 star Sensei's Wild Jade
+160 Hit and +160 Mastery
Rare
Yellow 2 star Fractured Sun's Radiance
+320 Mastery
Rare