Platinum and Diamond Bow Brooch, Cartier -  The looped ribbons set with 84 round and single-cut diamonds, centering a band of 6 baguette diamonds, total approximately 3.25 cts., signed Cartier, approximately 6.2 dwt.  3/4 x 2 7/16". Vintage, Art Nouveau, Bijoux, Diamond Brooch, Diamond Bows, Diamond Jewelry, Diamond Are A Girls Best Friend, Diamond Cuts, Diamond