Updated For 5.4 Mists of Pandaria

Gem Quality

Color Popularity Gem Quality Auction Price
Red/Blue 6 star Mysterious Serpent's Eye
+160 Intellect and +160 PvP Power
Epic
Red/Yellow/Blue 3 star Nightmare Tear
+10 All Stats
Epic
Red/Yellow/Blue 2 star Void Sphere
+4 Resist All
Epic
Red/Blue 1 star Veiled Shadow Spinel
+25 Intellect and +25 Hit
Epic
Red/Blue 1 star Purified Shadow Spinel
+25 Intellect and +25 Spirit
Epic
Red/Blue 1 star Timeless Tanzanite
+5 Intellect and +6 Stamina
Epic
Red/Blue 1 star Purified Tanzanite
+5 Spirit and +5 Intellect
Epic