"- Materials * Gold plated 18 carat over 925 sterling silver * Available also in 925 sterling silver * Brilliant round AAA cubic zirconia Stones * Nickel free hypoallergenic for sensitive skin * Lightweight * Sold in single or in a pair - Measurements * Inner Diameter: 8mm * Outer Diameter: 10mm ✔︎Check the other items that this model wears: https://www.etsy.com/listing/711554793/dainty-sterling-silver-stud-earring?ref=shop_home_active_110&pro=1 https://www.etsy.com/listing/781164628/lightning-b