Cartier diamond bow brooch. Set to centre with a cushion shape old mine cut diamond in an open back rubover setting with an approximate weight of 0.15 carats, further adorned by eighty six cushion shape rose cut diamonds in open back grain and rubover settings with a combined weight of 0.75 carats. The total approximate diamond weight is 0.90 carats, to an elegant bow design on a black ribbon background featuring symmetrical floral motifs, millegrain edging, a pierced linear gallery and open backholing, fitted to reverse with a secure hinged pin and C-clasp with safety mechanism. Tested platinum, numbered 'HSA 1945', circa 1910, accompanied by fitted Cartier box and receipt.
