Here are a few lovely rings found on Etsy.
1. Blue green patina verdigris wide brass band ring by Danimakes
2. Raven ring by StewartArt1
3. Leather ring with feather charm by Somethingmonumental
4. Gather square moss ring by AdornJewelry
5. Crystal ring by Byfeatherless
6. Copper starfish coral ring by Hapagirls
7. Arrow ring by MijuAndYou