The lock is smooth and earrings are delicately made to look like gold. Photograph shown is not scaled to size. Product color may slightly vary due to photographic lighting sources or your monitor settings. This earring is made from high quality copper alloy and plated with five layer of micro golds. This is nickel free, and lead free as per international standards. Anti allergic and safe for skin. Stones used are semi precious. All these earrings are plated with gold color. Gold Earrings Designs, Ruby Stone, Stone Gold, Gold Earring, Pure Gold, White Stone, Gold Plated Earrings, Gold Design, Just Giving