When we had our kitchen counters and bar (overlooks from kitchen into dining room) done in granite, we asked them to take the hole that they cut out from the sink and buff the edges (you pay for it in the square footage - might as well get some use out of that cost). We use that as a centerpiece for the dining room table that ties the rooms together and also multi-purposes as a trivet for hot food on the table. When not in use, we have a cool bowl that is filled with wine corks on top of that.
Warning: It's damn heavy ... Also, if you do this, remember to put little rubber or felt pads on the bottom so it doesn't scratch your table.