Marco Bicego 18K Gold Diamond Delicati Oval Pendant NecklaceGuaranteed Authentic Marco Bicego Delicati Diamond 18K Gold Oval Pendant or 100% of your money back. This beautiful white and yellow 18K gold necklace features an oval shaped pendant with diamond encrustations, signature of the Delicati collection. This necklace is sold out and became collectible. Authenticity: Stamped Material: Total diamond weight: 0. 3ct. Color: F G. Clarity: VVS VS. 18k gold diamond. Measurements: 16 1 2" length; 1 1 2" extender;