A Turquoise and Diamond Necklace. Photo Philips de Pury & Company Designed as a line of cabochon turquoise, spaced by circular-cut diamond geometric links, suspending a graduated cabochon turquoise fringe, accented by circular-cut diamonds, mounted in...

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...