18kt white gold diamond Dewdrop necklace from DE BEERS featuring clasp fastening, G/VS quality grade diamonds and diamonds with 4.70ct. 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..