This is an authentic ROBERTO COIN 18K White Gold Diamond Pois Mois Circle Pendant Necklace. The necklace is crafted of 18 karat white gold and features a round stationary pendant pave-set with melee diamonds, approximately .33 total carat weight. The necklace also features 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.