Jasz Couture 7431 dresses are offered in Black Royal, Black Emerald . $504 is the Formal Approach best price guarantee for style 7431 by Jasz Couture. Shop with confidence, Formal Approach is an authorized Jasz Couture prom dress store. Jasz Couture 7431 is offered in sizes: 000, 00, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22.