A PLATINUM, CARVED GEMSTONE, AND DIAMOND FLOWER BROOCH Designed as a nosegay of carved amethyst flowers centering full and old European-cut diamonds, with carved nephrite leaves set with full-cut diamonds, and baguette-cut diamond stems, approximate total diamond weight 3.15 carats, weight 19.4 dwt, measures 2 1/2 x 2 1/8 in. For further information on this lot please visit Bonhams.com For further information about this lot please visit the lot listing