Platinum and diamond clasp, mounted by Cartier. Photo courtesy Sotheby's.

Designed to support five strands, the clasp centered by two round diamonds weighing 6.14 and 6.09 carats, suspending fringes of floral design, set with numerous round, old European and single-cut diamonds weighing approximately 15.00 carats, signed Monture Cartier, numbered M9216; circa 1910. Estimation 100,000 — 150,000 USD

Accompanied by two GIA reports:
No. 5151607851 stating that the 6.14 carat diamond is J color, VS2 clarity.
No. 1152607840 stating that the 6.09 carat diamond is J color, SI1 clarity.

Sotheby's. Magnificent Jewels. New York | 11 Dec 2013 - www.sothebys.com