18kt white gold Portraits of Nature butterfly diamond earrings from DE BEERS featuring 18kt white gold, pavé-set diamonds, French hook and for pierced ears. These earrings come as a pair.. 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..