I could be mistaken but I believe the manufacturer is currently charging $533 USD \ 1.184 BTC.
https://enshop.bitmain.com/productDetail.htm?pid=00020160510034707221GxQ3Yr280661But that doesn't take into account the shipping time and the duties that are charged by customs. All things considered there may be some flexibility in the price but I'd like to stay in the ball park of what I listed.