Updated For 6.0.2 Warlords of Draenor

Gem Quality

Color Popularity Gem Quality
Red/Blue 6 star Assassin's Imperial Amethyst
+80 Agility and +80 PvP Power
Rare
Red/Blue 4 star Glinting Imperial Amethyst
+80 Agility and +160 Hit
Rare
Blue 3 star Rigid River's Heart
+320 Hit
Rare
Red/Blue 3 star Shifting Imperial Amethyst
+80 Agility and +120 Stamina
Rare
Blue 2 star Stormy River's Heart
+160 PvP Power
Rare
Yellow/Blue 2 star Vivid Wild Jade
+80 PvP Power and +80 PvP Resilience
Rare
Red/Blue 2 star Accurate Imperial Amethyst
+160 Expertise and +160 Hit
Rare
Red/Blue 2 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
Blue 1 star Solid River's Heart
+240 Stamina
Rare
Blue 1 star Perfect Rigid Lapis Lazuli
+320 Hit
Rare
Yellow/Blue 1 star Lightning Wild Jade
+160 Haste and +160 Hit
Rare
Blue 1 star Rigid Serpent's Eye
+480 Hit
Epic
Yellow/Blue 1 star Perfect Puissant Alexandrite
+160 Mastery and +120 Stamina
Rare