Updated For 6.0.3 Warlords of Draenor

Gem Quality

Color Popularity Gem Quality
Red 6 star Delicate Primordial Ruby
+160 Agility
Rare
Red/Blue 2 star Glinting Imperial Amethyst
+80 Agility and +160 Hit
Rare
Red 2 star Perfect Delicate Pandarian Garnet
+160 Agility
Rare
Red/Yellow 2 star Adept Vermilion Onyx
+80 Agility and +160 Mastery
Rare
Red/Blue 1 star Assassin's Imperial Amethyst
+80 Agility and +80 PvP Power
Rare
Red 1 star Delicate Serpent's Eye
+320 Agility
Epic
Red 1 star Bold Primordial Ruby
+160 Strength
Rare
Red/Yellow 1 star Deft Vermilion Onyx
+80 Agility and +160 Haste
Rare