Kirsten Muenster uses 100% recycled precious metals in all of her designs and her collection of rings is made of recycled sterling silver. Although the same designs are repeated each is handmade so no two are ever exactly identical, and they can be made in any size. She favors natural shapes and vintage items, and has lots of chunky, interesting shapes and patterns to pick from. We like the Corolla ring best (above), although they’re all so pretty it’s hard to pick just one. Kirsten Muenster cast silver rings, $200.