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 2 star Assassin's Imperial Amethyst
+80 Agility and +80 PvP Power
Rare
Red/Blue 2 star Shifting Imperial Amethyst
+80 Agility and +120 Stamina
Rare
Red/Blue 1 star Accurate Imperial Amethyst
+160 Expertise and +160 Hit
Rare
Red/Blue 1 star Perfect Glinting Roguestone
+80 Agility and +160 Hit
Rare
Red/Blue 1 star Perfect Assassin's Roguestone
+80 Agility and +80 PvP Power
Rare
Red/Blue 1 star Perfect Shifting Roguestone
+80 Agility and +120 Stamina
Rare
Red/Blue 1 star Glinting Demonseye
+20 Agility and +40 Hit
Rare
Red/Yellow/Blue 1 star Nightmare Tear
+0 All Stats
Epic
Red/Blue 1 star Shifting Roguestone
+60 Agility and +90 Stamina
Uncommon
Red/Blue 1 star Glinting Tanzanite
+5 Agility and +4 Hit
Epic
Red/Blue 1 star Glinting Roguestone
+60 Agility and +120 Hit
Uncommon