BuilderML
I can see what you are describing but I think with the stone he is now using it would take hours of tedious cutting and waste to develop a smooth arch top like that. With some type of stone like curved drip cap above it getting it to look right would really be tuff. The beam would probably have to be eliminated or cut into on a curve to get enough height to be correctly proportioned.
Just the way I visualize it, I'm probably wrong.
I do like arches above windows and doors in certain types of homes. You can't beat a well proportioned arch of grey stone or brick with a Keystone at the top on large homes with windows and doors that have an arched top or are rectangular with an arched window above.
Everything goes anymore. Eclectic styling in homes is about as common as it is in furniture these days.
Ron