confusion about unlocked iPhone 5 price

[space-time]

16 GB unlocked version. One source says 649, another 848.

http://news.cnet.com/8301-13579_3-575127....s-canada/

The Apple Store's comparison tool lists the 16GB iPhone 5 at $649, the 32GB at $749, and the top of the line model 64GB at $849.

http://www.christianpost.com/news/iphone...oct-81672/

The U.S. unlocked iPhone 5 will be released on Sept. 21 with pre-orders beginning Sept. 14. The 16GB model will retail for $849, 32GB for $949, and the price for the 64GB model has not yet been announced.