I don't know if there is a thread on this already, but here is a recent picture of Kim Kardashian's ring.
http://omg.yahoo.com/news/kim-kardashian-39-daughter-north-west-holds-her-175500746-us-weekly.html
http://omg.yahoo.com/news/kim-kardashian-39-daughter-north-west-holds-her-175500746-us-weekly.html