Well, who knew Old School the movie would be true? According to this post on Craigslist (which is no longer available for viewing) the following was up for grabs:
Engagement Ring Set............New Never Used........Unlike the Bride to Be who I Found in the middle of a Gang Bang after arriving home early from an out of town business trip!
It may be worth sanitizing this ring, should you be the lucky, sloppy seconds, owner.