Updated For 6.0.3 Warlords of Draenor

Gem Quality

Color Popularity Gem Quality
Red/Blue 6 star Veiled Imperial Amethyst
+80 Intellect and +160 Hit
Rare
Red/Blue 2 star Timeless Imperial Amethyst
+80 Intellect and +120 Stamina
Rare
Red/Blue 1 star Mysterious Serpent's Eye
+160 Intellect and +160 PvP Power
Epic
Red/Blue 1 star Perfect Veiled Roguestone
+80 Intellect and +160 Hit
Rare
Red/Blue 1 star Mysterious Imperial Amethyst
+80 Intellect and +80 PvP Power
Rare
Red/Blue 1 star Purified Imperial Amethyst
+80 Intellect and +160 Spirit
Rare
Red/Blue 1 star Accurate Imperial Amethyst
+160 Expertise and +160 Hit
Rare
Red/Blue 1 star Perfect Mysterious Roguestone
+80 Intellect and +80 PvP Power
Rare
Red/Blue 1 star Perfect Purified Roguestone
+80 Intellect and +160 Spirit
Rare
Red/Yellow/Blue 1 star Void Sphere
+4 Resist All
Epic