Updated For 5.4 Mists of Pandaria

Gem Quality

Color Popularity Gem Quality Auction Price
Red/Yellow/Blue 6 star Nightmare Tear
+10 All Stats
Epic
Yellow/Blue 1 star Energized Eye of Zul
+10 Haste and +10 Spirit
Epic
Yellow/Blue 1 star Regal Elven Peridot
+25 Dodge and +37 Stamina
Epic