This is an authentic ROBERTO COIN 18K White Gold Diamond Tiny Treasures Sunburst Pendant Necklace. The pendant is crafted of 18 karat white and features a sun motif pendant accented with pave set diamonds, approximately .15 total carat weight, along 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.