Crafted of platinum, Cathy Waterman's stackable band sparkles with diamonds set in circular bezels. Band may be stacked atop other Cathy Waterman rings. 0.55 ct white diamonds. Platinum. 2.5mm band 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.