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!
Check out these Portal-themed wedding rings by Etsy user 17thbit! Now you're thinking doing everything in your entire life with Portals!
Honestly, if you're even considering this kind of thing... you've got issues.
I'm sure they have both Chuck Berry and Pulp Fiction in the 24th century, and will totally get that reference.
Finally! A classy ring for the frequent bar-brawler who is looking to settle down and still throw-down.
Because he doesn't really love you unless he gives you an ALL-DIAMOND RING, like this one from Shawish Jewelers of Geneva, Switzerland.