Irene Neuwirth's round-faced ring crafted of 18k yellow gold set with a luminous rose-cut rainbow moonstone. Moonstone set in scalloped frame detailed with coin edge. . Round rose-cut rainbow moonstone. . Satin-finished 18k gold. . 4mm band width, 2cm face diameter (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.