Some of these rings are mixed metal and feature brass and/or copper alongside the sterling silver. A silver cloth will help to keep to clean all of these metals, but to really brighten and thoroughly clean them we recommend the following:
simply put a pinch of salt & a squeeze of lemon into a container (something like a glass jar is ideal).
place your ring into the jar & add enough warm water to fully submerge it.
leave for around 30 seconds.
It normally takes no longer than this to clean a ring. We would not advise your ring being left in this solution for long periods of time.
remove from the lemon solution & rinse with water.
buff with a soft cloth. Easy!