18kt white gold Portraits of Nature butterfly diamond ring from DE BEERS featuring 18kt white gold, marquise cut diamond, pavé-set diamonds and total diamond weight. 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..