Gassan Diamonds, traditionally a family business, is housed in a beautifully restored mill in the center of Amsterdam. This former steam-driven diamond cutters was built in 1878 and was 400 polishers the largest diamond in the world. Today, visitors can admire the art of centuries old craft of diamond grinding while there may be an explanation in 26 languages about where diamonds are found and how to make a beautiful brilliant of a rough diamond. Gassan Diamonds has its own workshop where jewelery is designed and where diamonds can be put into beautiful jewelry. For generations, the diamond polishers at Gassan Diamonds optimized the beautiful brilliance of a brilliant cut diamond. They worked on the symmetry of each of the 57 faces with only one goal in mind: perfect beauty. Naturally, the next generation diamond cutters will still dealing with the same purpose.