A turquoise and diamond necklace and earclips, circa 1960. Photo Bonhams

designed as a line of round cabochon turquoise accentuated by round brilliant-cut diamond cluster spacers and suspending a graduated fringe of pear-shaped cabochon turquoise, pear and round brilliant-cut diamonds; a pair of pendant earclips en suite; estimated total diamond weight: 40.00 carats; mounted in platinum; length of necklace: 13in. Sold for US$76,900