some advice: go right under 1ct with an excellent cut, and you'll have a diamond that looks way better than that one.
unless you're a total diamond purist, no reason to go so high on clarity, as long as it's invisible to the eye, who cares?
some suggestions in your price range (remember no tax if you buy online):
All these are sure to be prettier. check out the brilliancescope analyses!
http://www.goodoldgold.com/new_page_4.htm
.92 F VS2 SuperbCert 6.33-6.35mm $5900
http://search.virtcert.com/cgi/u/1012/v.cgi?stock=319187&_s=1012&_p=
1.00 G SI1 SuperbCert 6.44-6.48mm $5478
http://search.virtcert.com/cgi/u/1012/v.cgi?stock=281703&_s=1012&_p=
1.01 F SI1 Superbcert 6.44-6.47mm $6613
If you don't feel like spending the money to get the "SuperbCert" name, try diamondbrokersoffl.com. they'll find you an unbranded, high performing H&A.
Why spend $6200+ on something that's very nice, when you have enough money to buy something incredible!
Most of their good stuff isn't on their website, but here's a couple that were:
AGS RD 1.02 F VS2 6.41 IDEAL H&A 62.50 56 NN IDEAL IDEAL 6667.92
AGS RD 1.01 F VS2 6.48 IDEAL H&A 61.50 54 NN IDEAL IDEAL 6835.5
Good luck!