This is an authentic MARCO BICEGO 18K Yellow Gold Multi Gemstone Murano Pendant Necklace. The necklace is crafted of 18 karat yellow gold and features a drop style pendant with blue topaz, amethyst, iolite, and pink tourmaline. Follow this item for alerts. Marco Bicego is a registered trademark of Marco Bicego. FASHIONPHILE is not affiliated with Marco Bicego.