Updated For 5.4 Mists of Pandaria

Gem Quality

Color Popularity Gem Quality Auction Price
Yellow/Blue 6 star Jagged Chrysoprase
+6 Stamina and +5 Critical Strike
Epic
Red/Yellow/Blue 6 star Nightmare Tear
+10 All Stats
Epic
Yellow/Blue 1 star Radiant Chrysoprase
+5 Critical Strike and +5 PvP Power
Epic
Yellow/Blue 1 star Nimble Chrysoprase
+5 Hit and +4 Dodge
Epic