A Retro Platinum and Diamond Bracelet, Circa 1940, Oscar Heyman Brothers, consisting of graduated link with fluted galleries, the bracelet containing 70 round brilliant cut diamonds weighing approximately 4.26 carats total, hand engraved clasp underside. Hand inscribed: 28694.Accompanied by an Oscar Heyman Brothers certificate of authenticity, dated April 22, 2016, stating the platinum diamond bracelet, serial No. 28694, was manufactured by Oscar Heyman & Brothers. Manufacture Date: February 12, 1940. 15.00 dwts.