Irene Neuwirth ring crafted of 18k rose gold set with rose-cut black onyx. Scalloped setting detailed with coin edge Rose-cut onyx Satin-finished 18k rose gold 1mm band width, 11mm face width (approximately) For information about additional ring sizes, please contact our customer service representatives via email at webservices@barneys.com or by phone at 888.222.7639.