Brooch in 18K (750°/°°) yellow gold depicting an umbel set with rose-cut diamonds and crowned roses set in silver (800°/°°), as well as rectangular emeralds with cut sides (some stones with slight accidents). The pin system, removable by screw, bears the hallmark of the Master Goldsmith of the JOAILLERIE SALLE in Lyon, a firm that notably created models for BOIVIN. Diameter: approx. 47 mm - Gross weight: 18.3 g