René Boivin Amethyst and Diamond ‘Grappe de Raisin’ Brooch. Designed as a stylised bunch of grapes, the leaf surmount in yellow gold with brilliant-cut diamond detail, suspending an articulated series of collet-set facetted amethysts, circa
Sapphire flowers bloom in this stunning bracelet. Comprised of approximately carats of velvety blue gems, these precious blossoms are complemented by approximately carats of marquise and round-cut white diamonds. Set in platinum.