These are soooooo pretty. Made is 925 sterling silver with tribal details, set with a bright amethyst stone. The rings are all 1cm (.40") in diameter. The wire is 20 gauge. Stones shine light through them since the back is open. Hard to see this when they are lying flat in the pic. Each piece is made BY HAND One of the images contains numbers to specify which you would like from the drop down menu.