Platinum, Diamond and Sapphire Necklace, Hammerman Brothers - photo Sotheby's

Of articulated design set with numerous round diamonds weighing approximately 41.25 carats, centered and bordered by rows of cabochon sapphires, internal circumference approximately 13¾ inches, signed Hammerman, with maker's marks. Estimation: 40,000 - 60,000 USD

Sotheby's. Important Jewels. New York | 07 févr. 2013 http://www.sothebys.com