This bag is called Marcello de Cartier. It was released about two years ago. I was THAT CLOSE to get one. If I remember correctly, it comes out three sizes. I really loved this style, and I still do.
Here is the site:
http://www.cartier.com/en/Creation,L1000889,,Marcello de Cartier-Bags
do you know how much the large Macello cost roughly?