Bulgari, important brooch with natural Colombian emerald and diamonds

in platinum and 18kt yellow gold, octagonal emerald circa 1.40 ct, on the sides two octagonal diamonds circa 2.10 ct, F/G color - VVS/VS clarity and sixteen carré cut diamonds circ 3 ct F/G color- IF/VVS clarity, size 6.4x1 cm. complete with original case and gemological certificate