E, VVS 2 from Blue Nile or true heart F, VVS2

[luxugy]

Hi folks,

I am about to make a purchase of a 0.9 carat stone and I selected two:

1. F, VVS2, true heart
http://www.jamesallen.com/diamonds/F-VVS2-Excellent-Cut-Round-Diamond-1515194.asp

2. E, VVS2

http://www.bluenile.com/lu/en/round-diamond-1-carat-or-less-ideal-cut-e-colour-vvs2-clarity_LD02765926?keyword_search_value=LD02765926

Can you please share with me, which one would you prefer?

Many thanks