Helping friend buy a stone

[gonezo77]

I went through this process about a year ago, and this site was indispensable. Looking for assistance for a friend on the stones below:

http://www.jamesallen.com/loose-diamonds/round-cut/1.01-carat-h-color-vs2-clarity-sku-223272

http://www.jamesallen.com/loose-diamonds/round-cut/1.02-carat-h-color-vs2-clarity-excellent-cut-sku-242631

http://www.jamesallen.com/loose-diamonds/round-cut/1.01-carat-h-color-vs2-clarity-excellent-cut-sku-234110

Thanks,
Nate