Irene Neuwirth's band is handcrafted in Los Angeles of satin-finished 18k rose gold bezel-set with round white diamonds. Handmade. 0.80 ct bezel-set round white diamonds. Satin-finished 18k rose gold. 3mm band width (approximately). Made in U.S. 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.