I was interested in some of their rings as well but was concerned about the lack of reviews. I did some investigating and discovered that Kodega.com is the basically a distributor for www.weddingrings-direct.com.. The parent company is UK based and does seem to have good reviews. see http://www.reviewcentre.com/reviews228049.html
Here is the email and response I sent to WeddingRings-Direct:
and their response:
Hope this helps!