Please Help deciding: Best of 3

[LooseRock]

Please Help,

Are these good selections?
Which is best?

Suspension setting.

Any tips and opinions are gretaly appreciated.

http://www.eternitydiamonds.com/diamond_detail.php?id=630703

http://www.eternitydiamonds.com/diamond_detail.php?id=480198

http://www.eternitydiamonds.com/diamond_detail.php?id=417367

Thank you