I have this exactly same phone and I don't see how you can sell it for that much.
IPhone 7 just came out so the most you will get for it is not even close to that much.
It is used phone too.

Even using the currency of India, the discounted price of the phone is .3 btc (19k rupees) -
http://www.amazon.in/Apple-iPhone-5s-Space-Grey/dp/B00FXLC9V4I reckon $150 for a 5S is a pretty good deal mate