This parasprite design is one of a kind, and sold at the 2013 Las Pegasus Unicon charity auction for $200.
Here it is finally! And only 2 years, 7 weeks, and 6 days after the episode aired! a parasprite pendant. This pendant is hand crafted from sterling silver sheet and wire, along with copper and brass sheet. The mouth and feet were painted with flat black antiquing. Believe it or not, this design consists of 16 different pieces! That's an academy record! In a close second, comes "Sombra's Crown" [link]
which is made up of 15 different components. It measures 1.5 inches in height, and 2.2 inches in width.
Etsy Shop: [link]
Non-pony Jewelry Gallery: [link]