Getting gradual reflection on a shiny surface is not trivial. It is not hard, but you have to know how it is done (which you will once you’ve read this post :). This is one of my favorite techniques when shooting products with a granite tile, and it gets that gradient reflection on a reflective surface every time.
I got a couple of messages on Flickr a while back asking me how to get a gradient effect on an iphone shot I did before. So here is a step by step lighting tutorial on how to achieve this kind of lighting and where you can use it.