She sells sea-shells by the sea shore. Mesi Jill has a whole collection of rings made out of sea shells. They're very elegant, and they're a chance to keep the ocean with you at all time.

Gorgeous ring! Watch... this is going to be the next biggest thing in fashion! This site that sells different styles and colors... http://www.bymilena.com

this ring is a nautius shell handcrafted to fit your finger, it is exqusite. (via www.vivre.com)

This ring would look great with what I'm wearing at this very moment. It must be fate. (via Vivre)

A black seashell ring that is different from others on the list. A good color to match most outfits. Big and bold. I love it.

Fun attention grabber and conversation starter. This will look perfect with your summer manicures.

DETAILS:

A statement making piece that adds flair to any outfit. Each oversized ring is a one-of-a-kind natural treasure, handmade in Italy. Real shell plucked from the sea, skillfully cut for land lovers. Black. 6-8.

Enough with the bling, it's summer and I want to see some nature. Mesi Jilly's Shell Ring is stunningly gorgeous - and it's a real-life sea shell!

how about one that was actually constructed?
http://www.jolasjewelry.com/Rings_Escargot.htm

or these cufflinks?