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
Red/Yellow/Blue 3 star Void Sphere
+4 Resist All
Epic
Yellow/Blue 3 star Steady Chrysoprase
+5 PvP Resilience and +6 Stamina
Epic
Yellow/Blue 3 star Vivid Elven Peridot
+25 PvP Power and +25 PvP Resilience
Epic