Women's Eternity Ring (Cubic Zirconia) On Sale Delivered via trackable, anonymous shipping. Ring width: approximately 2.5mm, ring thickness: 2.0mm / Material: Brass (platinum/rhodium coating), cubic zirconia This "eternity ring" boasts a refined form and exceptional brilliance, with a beauty that captivates at first glance. The 2mm diameter zirconia, in a full eternity setting, features precisely cut zirconia of a relatively large size, creating a sparkle reminiscent of fine jewelry.