Anticlastic three-dimensional spiral pendant in sterling silver with online white freshwater pearl

This pendant is forged from one sheet of sterling silver. I hammer the silver into shape using the technique of anticlastic forming. I add texture to one side of the pendant through reticulation, and set a 7mm white freshwater pearl in the middle. The pendant measures a bit over 1" in online diameter, and has a depth of 1/2". It comes on a 16" or 18" sterling silver snake chain - for a different chain length, please convo me.