This necklace was designed by Melissa Stiles. She is an ex-architect who works from her home in Portland Oregon. She creates designer jewelry with an industrial edge and has been accused of being Stubborn when it comes to pursuing her goals.

Her work is made from brushed aluminum, stainless steel, and silver, filled with vibrant resins in modern designs and patterns.

http://www.stubbornworks.com/jewelry/jewelry.html