18kt white gold 18kt white gold Aura heart-shaped diamond pendant necklace from DE BEERS featuring heart cut diamond, pavé-set diamonds, total diamond weight, delicate chain, lobster claw fastening and adjustable fit. A De Beers Jewellers Certificate of Authenticity accompanies all jewellery purchases. This certificate guarantees the authenticity of your De Beers Jewellers diamond jewellery; the finest quality materials and utmost care were used to craft this item to ensure its brilliance..