Material: 925 Silver Plated; Size: Approx. 10mm(Diameter)/0.4", inner diameter is 75mm/0.3", star is about 10mm; Stone: Top Quality Cubic Zirconia; Shipping: Item will be shipped within 1 business day after payment clears. Shipping Options: Free US Standard Shipping with a Tracking Number. Care for Plated Jewelry: To avoid tarnish, limit exposure to water, perfume, Chemical or body cream etc. Please keep in a plastic bag while storing it. Do not use silver or jewelry liquid cleaner, wipe with a jewelry cloth .