Lot 127. A diamond rivière necklace. Estimate USD 300,000 - USD 500,000. Price realised USD 367,500. © Christie’s Images Limited 2017.

Designed as a graduated series of forty-nine circular-cut diamonds, the five largest diamonds weighing approximately 9.77, 7.34, 6.43, 5.29 and 4.99 carats, 15 1/2 ins., mounted in platinum

Christie's. Magnificent Jewels, 26 April 2017, New York, Rockefeller Center