I always thought one ring would be enough but sometimes I find myself thinking does my halo look lonely?

I was thinking maybe something like this
http://www.moissaniteco.com/11stone-round-moissanite-sharedprong-ring-2mm-003ct-p-10533.htmlAnd here is my halo

What do you guys think? Would you leave it alone or pair with wedding band?
I need to go and test some rings if I decide to get one someday but I want your opinions first. Halo sits quite low so maybe thats a problem? Will the rings be too far away from each other? I dont think I would want a curved band.
