This is an authentic ROBERTO COIN 18K Yellow White Gold Brown Diamond Circle Pendant Necklace. The necklace is crafted of 18 karat white gold adjustable toggle chain and features a stunning circular pendant in 18 karat yellow gold set with sparkling brown diamonds approximately 3.96 total carat weight. Follow this item for alerts. Roberto Coin is a registered trademark of Roberto Coin. FASHIONPHILE is not affiliated with Roberto Coin.