Question on ring design

[autumngems]

DD wants a ring like princess Dianas with one of my sapphires, she wants yellow gold. Would it look best in all yellow or with yellow band and white gold head? Please post your versions?

 

[autumngems]

DD wants a ring like princess Dianas with one of my sapphires, she wants yellow gold. Would it look best in all yellow or with yellow band and white gold head? Please post your versions?

Also what size diamonds should I get to fit around a 9x6?

 

[Dreamer_D]

Yellow band and wg head IMO.

Need a mathematician or a jewler for hat othe question!