This is an authentic ROBERTO COIN 18K Yellow Polished and Fluted Paperclip Chain Necklace. The necklace is crafted of 18 karat yellow gold and features alternating fluted and polished hollow oval links finished with a lobster clasp with a hidden synthetic ruby. Follow this item for alerts. Roberto Coin is a registered trademark of Roberto Coin. FASHIONPHILE is not affiliated with Roberto Coin.