Updated For 6.0.3 Warlords of Draenor

Gem Quality

Color Popularity Gem Quality
Red/Blue 6 star Purified Imperial Amethyst
+80 Intellect and +160 Spirit
Rare
Red/Blue 1 star Assassin's Imperial Amethyst
+80 Agility and +80 PvP Power
Rare
Red/Blue 1 star Guardian's Imperial Amethyst
+160 Expertise and +120 Stamina
Rare
Red/Blue 1 star Perfect Purified Roguestone
+80 Intellect and +160 Spirit
Rare
Red/Blue 1 star Mysterious Imperial Amethyst
+80 Intellect and +80 PvP Power
Rare
Red/Blue 1 star Shifting Shadow Spinel
+25 Agility and +37 Stamina
Epic
Red/Blue 1 star Shifting Imperial Amethyst
+80 Agility and +120 Stamina
Rare
Red/Blue 1 star Veiled Imperial Amethyst
+80 Intellect and +160 Hit
Rare
Red/Blue 1 star Purified Demonseye
+20 Intellect and +40 Spirit
Rare
Red/Blue 1 star Purified Roguestone
+60 Intellect and +120 Spirit
Uncommon
Red/Blue 1 star Glinting Imperial Amethyst
+80 Agility and +160 Hit
Rare
Red/Blue 1 star Shifting Demonseye
+20 Agility and +30 Stamina
Rare
Red/Blue 1 star Timeless Imperial Amethyst
+80 Intellect and +120 Stamina
Rare
Red/Blue 1 star Accurate Imperial Amethyst
+160 Expertise and +160 Hit
Rare
Red/Blue 1 star Etched Imperial Amethyst
+80 Strength and +160 Hit
Rare