An 18 Karat Yellow Gold, Colored Diamond and Diamond Butterfly Brooch, Boivin, 1970's, in a stylized design, the pave set body extending to the black rhodium plated wings with pave and bezel set wing sections, the brooch containing numerous old mine cut diamonds weighing approximately 16.00 carats total, together with numerous round brilliant cut yellow diamonds (origin of color not tested) weighing approximately 7.11 carats total. Stamp: (French assay marks). 55.60 dwts.