Updated For 6.0.2 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 Timeless Demonseye
+20 Intellect and +30 Stamina
Rare
Red/Blue 1 star Mysterious Tanzanite
+5 Intellect and +5 PvP Power
Epic