Horrible. Please do not consider anything less than GIA Excellent cut. That in itself is a broad category, and I'd only be okay with about maybe a third of those. So start with GIA Excellent and then we can help you narrow down the better ones.
Unless you are absolutely set on VVS1 here are a few D-VS2 to consider.
They are all AGS0, Super-Ideal, Hearts and Arrows diamonds (the cream of the crop):
I own a CBI diamond myself and it is spectacular. Wink of High Performance Diamonds is such a pleasure to work with.
From their website:
What We Do
We plan, cut and polish the world's strictest, most consistent brand of high-performance diamonds. Flawlessly crafted with three-dimensional precision, their visual results exceed every known performance metric, achieving levels yet unmeasured and ungraded by diamond laboratories.
There are many, many more diamonds available, but if you don't mind paying for exceptional cut quality, the four diamonds that I posted above should be worthy of your consideration.