Your dress

It is your dress to be bought.

Some comments:

Would you said the dress is nice?
>Yes, of course you might say it is nice.

Would you try it?
>Why not if you are interested on how nice would it be. You should try it and have a look on how you look like in it.

Would you say it is very nice, yet so nice that it doesn't looks nice on you?
>.. Er, theoretically no. Just the point, the dress isn't looks good on you has revealed that the dress ain't fit you perfectly and you are not satisfied. You should say the dress looks nice at first, but it doesn't fit you when you try it. Lastly, you are not going to pay for it.