The ultimate in e-rings: Leon Mege with tapered baguettes (picture radiant instead of emerald cut):
http://www.artofplatinum.com/4images/details.php?image_id=346
The tapered baguettes definitely make a diamond stand out and is very classic. Only thing is that wedding bands can be difficult to match and if it's from leon mege, he prefers for people not to have wedding bands at all. Still, Leon would be my first choice if I had to do it all over again.