This is an authentic ROBERTO COIN 18K Yellow Gold Diamond Principessa Flower Station Necklace. The necklace is crafted of 18 karat yellow gold and features a delicate chain with floral motif stations and two diamond stations, approximately .06 total carat weight, along with a synthetic ruby on the chain tag. Follow this item for alerts. Roberto Coin is a registered trademark of Roberto Coin. FASHIONPHILE is not affiliated with Roberto Coin.