As much as I love pink diamonds, I'm feeling the yellow more in this instance wintotty - I just think that yellow diamonds stacked with white diamonds looks sooooo opulent and chic. Ultimate elegance IMO.
(Mind you, I may be biased - I got a pair of canary diamond earrings with white diamond halos this year and everytime I catch the flash of colour and bling, well, it is very decadent!)