Granite slab

United Kingdom --- Please will you inform me of the cost of supplying the following item:  One rectanglar Granite (http://tanbrown.org) slab of the following dimensions : 150 cm x 90 cm x 3cm  

The corner angles should be as near to 90 degrees as possible and (http://maplered.com) the sides (3 cm thick) plus one of the surfaces should be finished smooth.If possible, the colur of the slab should be a dark colour (eg Yanksi black)....Sept 06