Design: Lustrous Empyrean Sapphire (The Scale of the Sands)

The Design: Lustrous Empyrean Sapphire  was a reputation reward; you had to be with The Scale of the Sands to purchase it for  from  in Hyjal Summit.

Related Sources
The Shattered Sun Offensive also sell a version of this design. See Design: Lustrous Empyrean Sapphire (Shattered Sun Offensive).