REDUCED. 1 1920s Camphor Glass Ring, w/ Marcasite Focal Size 4 3/4 , Marked "SteRling" Depression Era Camphor Glass w/ Sterling Bead Surround 
This ring is marked a well worn "SteRling" a maker's mark I am not familiar with.
Face of ring measures 1" long x 3/4" raised 3/8"
. . The other rings in picture I also listed today. I presently have about 400 rings. You can enter "size 7" or whatever, in my shop search engine. You will be amazed how many different rings I have your size! Presently I have 48 size 7 rings & 140 Vintage “adjustable”
     To see my other items click "See other items' at the top right of this pageor see very bottom of this page "More from this seller".   You can search & bookmark my store athttps://www.ebay.com/str/emenow1