18kt yellow gold Talisman diamond ring from DE BEERS featuring 18kt yellow gold, polished finish, marquise cut diamond, baguette cut diamonds, trillion cut and filigree detailing. 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..