Updated For 6.0.2 Warlords of Draenor

Gem Quality

Color Popularity Gem Quality
Yellow 6 star Smooth Serpent's Eye
+480 Critical Strike
Epic
Yellow 5 star Fractured Serpent's Eye
+480 Mastery
Epic
Yellow 3 star Quick Serpent's Eye
+480 Haste
Epic
Red/Yellow 1 star Willful Serpent's Eye
+160 Intellect and +160 PvP Resilience
Epic
Red/Yellow 1 star Deadly Pyrestone
+5 Agility and +10 Critical Strike
Epic
Red/Yellow/Blue 1 star Nightmare Tear
+0 All Stats
Epic
Red/Yellow/Blue 1 star Void Sphere
+4 Resist All
Epic
Red/Yellow 1 star Artful Lava Coral
+25 Intellect and +50 Mastery
Epic
Red/Yellow 1 star Stalwart Fire Opal
+5 Parry and +4 Dodge
Epic
Red/Yellow 1 star Lucent Serpent's Eye
+160 Agility and +160 PvP Resilience
Epic
Red/Yellow 1 star Reckless Fire Opal
+5 Intellect and +4 Haste
Epic
Red/Yellow 1 star Deadly Fire Opal
+5 Agility and +4 Critical Strike
Epic
Yellow 1 star Smooth Lionseye
+20 Critical Strike
Epic
Yellow 1 star Smooth King's Amber
+40 Critical Strike
Epic
Red/Yellow 1 star Potent Lava Coral
+25 Intellect and +50 Critical Strike
Epic
Yellow/Blue 1 star Misty Chrysoprase
+5 Critical Strike and +4 Spirit
Epic
Yellow/Blue 1 star Zen Elven Peridot
+50 Spirit and +50 Mastery
Epic
Yellow/Blue 1 star Radiant Chrysoprase
+5 Critical Strike and +5 PvP Power
Epic
Yellow/Blue 1 star Jagged Seaspray Emerald
+10 Critical Strike and +7 Stamina
Epic
Red/Yellow 1 star Reckless Fire Opal
+5 Intellect and +4 Haste
Epic
Yellow/Blue 1 star Regal Chrysoprase
+5 Dodge and +6 Stamina
Epic