Just put it in today, my dad made it. Its two 3cm granite parts together. There is no cabinet under it just the flat sink like you see. The stone is crema bordeaux. It has only one valve for the water.
http://img157.imageshack.us/img157/9928/faucet1gg1.jpg
http://img157.imageshack.us/img157/7019/faucet2gu7.jpg