Updated For 6.1.2 Warlords of Draenor
Color Popularity Gem Quality
Prismatic 6 star Tyrannical Primal Diamond
Epic
Prismatic 3 star Delicate Crimson Spinel
+10 Agility
Epic
Prismatic 2 star Delicate Cardinal Ruby
Epic
Prismatic 2 star Glinting Shadowsong Amethyst
+5 Agility and +10 Critical Strike
Epic
Prismatic 2 star Lucent Fire Opal
+5 Agility and +4 PvP Resilience
Epic
Prismatic 2 star Delicate Serpent's Eye
Epic
Prismatic 2 star Delicate Crimson Spinel
+10 Agility
Epic
Prismatic 2 star Glinting Tanzanite
+5 Agility and +4 Critical Strike
Epic