Sapphire and diamond necklace, Van Cleef & Arpels

Designed as an alternating line of brilliant-cut diamonds and circular-cut and pear-shaped sapphires, suspending eleven graduated drops set with cabochon sapphires, highlighted with brilliant-cut diamonds within gold corded wire mounts, mounted in platinum and gold, length approximately 410mm, signed Van Cleef & Arpels and numbered, French assay and maker's marks, case.