This is an authentic MARCO BICEGO 18K Yellow Gold Diamond Petali Collar Necklace. The necklace is crafted of 18 karat yellow gold and features hand-etched flower motifs accented with round brilliant cut diamonds, approximately .40 total carat weight. Follow this item for alerts. Marco Bicego is a registered trademark of Marco Bicego. FASHIONPHILE is not affiliated with Marco Bicego.