This is an authentic MARCO BICEGO 18K Yellow Gold Turquoise Siviglia Long Necklace. The necklace is crafted of 18 karat yellow gold and features turquoise stone stations with siviglia hand etched beads secured with a lobster clasp. Follow this item for alerts. Marco Bicego is a registered trademark of Marco Bicego. FASHIONPHILE is not affiliated with Marco Bicego.