A nephrite amethyst and diamond brooch, designed as a spray of violets, composed of carved amethyst flowers each accented with a brilliant-cut diamond to a border of nephrite leaves, stamped 750 to reverse, c.1960One nephrite leaf with fine hairline fractures, amethyst violets deep purple well matched with good clarity, diamonds bright and lively, brooch pin secure with safety catch, small traces of solder to safety catch, stamped 750 for 18-carat gold to reverse.