The diamond band underneath the stone (instead of a halo! And diamonds up the prongs PLUS micropave! Only thing I'd change is add a prong or two - don't like how 4 prongs makes a round diamond look square. I like round :)
Michael M. Triple Row Diamond Engagement Ring features princess cut diamond channel set in between two rows of pave set round brilliant cut diamonds as well as a surprise diamond underneath the center stone of your choice.