Embellished with a pavé diamond surround, Irene Neuwirth's ring is crafted of satin-finished 18k rose gold set with a marquise-shaped black onyx. Horizontally placed black onyx rests in pronged setting .45 ct pavé white diamonds, marquise-shaped black onyx Satin-finished 18k rose gold 2mm band width, 32mm face length x 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.