Where can I buy a silver ring with a engement jade?

Im looking for a simple engaement silver or white gold ring, but instead of a diamond just want a jade stone, nothing big or flashy, like a princess cut solitaire, but with a green jade … any idea where it might go to achieve this?

http://cuteing.wdwd.com/index.php?gOo=goods_details.dwt&goodsid=122&productname = maybe this?

[affmage source="ebay" results="90"]Jade Stone[/affmage]