Marco bicego delicati 18ct yellow gold 015ct diamond necklace cb1809 b for luxury easy to wear jewellery the marco bicego collections are the perfect place to start the fascinating combination of italian craftsmanship and creativity produces the signature designs that marco bicego is famous for bicegos designs are based upon three signature hallmarks including multi coloured gem stones hand twisted coil and hand engraved 18ct gold all which are showcased in his world renowned collection