Kopi Luwak and Ristretto are produced all around the globe. And they change according to region in where they are cultivated. So, the question arises what is Kopi Luwak and Ristretto's differentiating factor?In following section we will take a close look at what is Kopi Luwak and Ristretto color, serving style, types and much more. First thing to know is what are the different types of Kopi Luwak and Ristretto. Well, Kopi Luwak types include Not Available while types of Ristretto are L'autentico, vanilla.