Year: 2012 This is an authentic ROBERTO COIN 18K White Gold Diamond Tiny Treasures Two Circle Pendant Necklace. The necklace is crafted of 18 karat white gold and features a mobile pendant pave-set with diamonds, approximately .13 total carat weight, along with a synthetic ruby on the heart jump ring. Follow this item for alerts. Roberto Coin is a registered trademark of Roberto Coin. FASHIONPHILE is not affiliated with Roberto Coin.