The V-shaped openwork collar decorated centrally with 24 flexibly-set pear-shaped diamonds weighing approximately 20.00 carats, completed by 104 round diamonds weighing approximately 27.80 carats and 242 smaller round diamonds weighing approximately 45.00 carats, mounted in 18 karat gold, signed Van Cleef & Arpels, numbered M40700, assay marks. With fitted case. En suite with the following lot.   

Sotheby's. Magnificent Jewels. New York, 24 Apr 2007