Updated For 6.0.3 Warlords of Draenor

Gem Quality

Color Popularity Gem Quality
Red/Blue 6 star Etched Imperial Amethyst
+80 Strength and +160 Hit
Rare
Red/Blue 5 star Sovereign Imperial Amethyst
+80 Strength and +120 Stamina
Rare
Red/Blue 4 star Tense Imperial Amethyst
+80 Strength and +80 PvP Power
Rare
Red/Blue 2 star Defender's Imperial Amethyst
+160 Parry and +120 Stamina
Rare
Red/Blue 2 star Accurate Imperial Amethyst
+160 Expertise and +160 Hit
Rare
Red/Blue 2 star Guardian's Imperial Amethyst
+160 Expertise and +120 Stamina
Rare
Red/Blue 1 star Sovereign Roguestone
+60 Strength and +90 Stamina
Uncommon
Red/Blue 1 star Perfect Etched Roguestone
+80 Strength and +160 Hit
Rare
Red/Blue 1 star Perfect Accurate Roguestone
+160 Expertise and +160 Hit
Rare
Red/Blue 1 star Retaliating Imperial Amethyst
+160 Parry and +160 Hit
Rare
Red/Blue 1 star Tense Roguestone
+60 Strength and +60 PvP Power
Uncommon
Red/Blue 1 star Sovereign Shadow Draenite
+3 Strength and +4 Stamina
Uncommon
Red/Blue 1 star Glinting Imperial Amethyst
+80 Agility and +160 Hit
Rare
Red/Blue 1 star Perfect Defender's Roguestone
+160 Parry and +120 Stamina
Rare
Red/Blue 1 star Timeless Shadow Draenite
+3 Intellect and +4 Stamina
Uncommon
Red/Yellow/Blue 1 star Nightmare Tear
+0 All Stats
Epic
Red/Yellow/Blue 1 star Void Sphere
+4 Resist All
Epic