Pair of Diamond Rivières - Photo Sotheby's

Of nesting design, the first set with 31 old mine and old European-cut diamonds weighing approximately 68.30 carats, each diamond framed by small rose-cut diamonds, length 13 inches, two rose-cut diamonds missing; the second set with 32 old mine and old European-cut diamonds weighing approximately 92.50 carats, each diamond framed by small rose-cut diamonds, length 15 inches, six rose-cut diamonds missing. Estimation: 800,000 - 1,200,000 USD

Sotheby's. Magnificent Jewels from the Collection of Mrs. Charles Wrightsman. New York | 05 déc. 2012 www.sothebys.com