Updated For 6.0.3 Warlords of Draenor

Gem Quality

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