NEW YORK, Aug 2, 2012/ — After three years of a highly successful collaboration, Greek-born designer Sophia Kokosalaki is taking her final bow on the Diesel Black Gold catwalk this September, during New York Fashion Week. Commenting on her impending exit from Diesel Black Gold, Ms. Kokosalaki said, “The last three years I have spent at Diesel Black Gold have been a very interesting and enjoyable experience. I would like to thank the whole DBG team for their hard work and support in helping me to establish this line. I am now looking forward to new challenges and wish Diesel