Ever thought to crochet a ring? Here are some interesting crocheted rings:
Another kind of ring can be seen here:
and includes a link to a tutorial. Quite helpful.
And, if you have loooong fingers (and I do, but you might need them longer than mine), you might enjoy making one of these beauties:
You can download the patterns there for free.
A very simple ring here can be embellished, perhaps, with a small pretty button or bead:
Plus, if you want to crochet with wire, you can google and find several more ring patterns. Have fun!