Check out these Portal-themed wedding rings by Etsy user 17thbit! Now you're thinking doing everything in your entire life with Portals!
ryan brenzier on flickr http://www.flickr.com/photos/carpeicthus/552551812/
Check out these wedding bands by Sakurako Shimizu. They are molded into a waveform representation of your partner's voice recorded saying "I do," or any phrase you choose. A very cool and unorthodox idea!
Finally! A classy ring for the frequent bar-brawler who is looking to settle down and still throw-down.
For those of you who want the karat count in your diamond to match your maturity level.