Crafted of blackened 18k white gold set with black diamonds, Eva Fehren's "Sergeant" ring is designed with a curved V-shaped band. Size 6. Black diamonds. Blackened 18k white gold. 2mm 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.