I have found a solution. Sometimes my rheumatoid arthritis flares up and my hands swell. I went to Ace Hardware and bought their store brand of clear silicone ($8). You clean the ring, squeeze some on the lower part of the band. If it's like mine, it will be uneven. Wipe off any that is on the sides. Let it dry overnight. It will then be flexible so it will give a little. If you get it too tight, you can either pull it off and redo or take cuticle scissors and trim it. It stays on for several wearings but I would not wear it in the shower. You can redo it cheap enough if it comes off. It doesn't work on cheap costume jewelry.
I dream of better 2morrow where chickens can cross road without having their motives questioned