Updated For 6.0.3 Warlords of Draenor

Gem Quality

Color Popularity Gem Quality
Red/Blue 6 star Glinting Imperial Amethyst
+80 Agility and +160 Hit
Rare
Red/Blue 5 star Assassin's Imperial Amethyst
+80 Agility and +80 PvP Power
Rare
Red/Blue 4 star Shifting Imperial Amethyst
+80 Agility and +120 Stamina
Rare
Red/Blue 2 star Etched Imperial Amethyst
+80 Strength and +160 Hit
Rare
Red/Blue 2 star Accurate Imperial Amethyst
+160 Expertise and +160 Hit
Rare
Red/Blue 2 star Perfect Glinting Roguestone
+80 Agility and +160 Hit
Rare
Red/Blue 1 star Glinting Roguestone
+60 Agility and +120 Hit
Uncommon
Red/Blue 1 star Assassin's Serpent's Eye
+160 Agility and +160 PvP Power
Epic
Red/Blue 1 star Guardian's Imperial Amethyst
+160 Expertise and +120 Stamina
Rare
Red/Yellow/Blue 1 star Enchanted Tear
+6 All Stats
Rare
Red/Yellow/Blue 1 star Enchanted Pearl
+4 All Stats
Uncommon
Red/Blue 1 star Shifting Roguestone
+60 Agility and +90 Stamina
Uncommon
Red/Blue 1 star Sovereign Tanzanite
+5 Strength and +6 Stamina
Epic
Red/Blue 1 star Accurate Roguestone
+120 Expertise and +120 Hit
Uncommon