Assouline has released a new book which combines the ultimate combination of a practical manual on fancy colored diamonds for both customers and professionals. The Fancy Color Diamond Book features two hundred and thirty one pages and provides the reader with vast amounts of information about the range of colors available, the challenges faced with cutting colored diamonds and the role of fluorescence to determine the true value of a color diamond. The book includes detailed photographs of some of the worlds greates fancy color diamonds, a Fancy Color Diamond Value Scale Comparison and it is available exclusively from Assouline.