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 Mysterious Imperial Amethyst
+80 Intellect and +80 PvP Power
Rare
Red/Blue 1 star Perfect Purified Roguestone
+80 Intellect and +160 Spirit
Rare
Red/Blue 1 star Timeless Imperial Amethyst
+80 Intellect and +120 Stamina
Rare
Red/Blue 1 star Perfect Mysterious Roguestone
+80 Intellect and +80 PvP Power
Rare
Red/Blue 1 star Purified Roguestone
+60 Intellect and +120 Spirit
Uncommon
Red/Blue 1 star Mysterious Serpent's Eye
+160 Intellect and +160 PvP Power
Epic
Red/Blue 1 star Glinting Imperial Amethyst
+80 Agility and +160 Hit
Rare
Red/Blue 1 star Veiled Imperial Amethyst
+80 Intellect and +160 Hit
Rare
Red/Blue 1 star Mysterious Roguestone
+60 Intellect and +60 PvP Power
Uncommon
Red/Blue 1 star Guardian's Imperial Amethyst
+160 Expertise and +120 Stamina
Rare
Red/Blue 1 star Purified Demonseye
+20 Intellect and +40 Spirit
Rare
Red/Blue 1 star Assassin's Imperial Amethyst
+80 Agility and +80 PvP Power
Rare
Red/Blue 1 star Timeless Tanzanite
+5 Intellect and +6 Stamina
Epic
Red/Blue 1 star Perfect Veiled Nightstone
+18 Intellect and +35 Hit
Uncommon
Red/Yellow/Blue 1 star Enchanted Pearl
+4 All Stats
Uncommon
Red/Blue 1 star Accurate Imperial Amethyst
+160 Expertise and +160 Hit
Rare
Red/Yellow/Blue 1 star Nightmare Tear
+0 All Stats
Epic
Red/Blue 1 star Glinting Tanzanite
+5 Agility and +4 Hit
Epic
Red/Blue 1 star Veiled Nightstone
+15 Intellect and +30 Hit
Uncommon
Red/Blue 1 star Timeless Roguestone
+60 Intellect and +90 Stamina
Uncommon
Red/Blue 1 star Shifting Roguestone
+60 Agility and +90 Stamina
Uncommon
Red/Blue 1 star Shifting Imperial Amethyst
+80 Agility and +120 Stamina
Rare
Red/Blue 1 star Timeless Tanzanite
+5 Intellect and +6 Stamina
Epic
Red/Blue 1 star Perfect Shifting Roguestone
+80 Agility and +120 Stamina
Rare
Red/Yellow/Blue 1 star Void Sphere
+4 Resist All
Epic