16 avril 2014
An art deco sapphire and diamond brooch, circa 1925
An art deco sapphire and diamond brooch, circa 1925. Photo Bonhams. designed as an openwork pavé-set diamond plaque of geometric design, centering a cushion-cut sapphire, weighing 5.68 carats; estimated total diamond weight: 2.70 carats; mounted in platinum;...