Diamond Butterfly brooch, around 1980

1529 untreated diamonds total 17.10 ct., brilliant cut, of which 63 white diamonds 0.91 ct., F vvs 939 brown diamonds 4.95 ct., 527 yellow to orange diamonds 11.27 ct. pavĂ© set in 18K yellow and white gold movable wings, length 5.7cm, width 8.7cm, 51.7g  

Request