Lot. 107, Chalcedony and diamond brooch, Herz-Belperron, circa 1940. Estimate 18,000 — 22,000 USD. Lot sold 32,200 USD. Photo Sotheby's

Designed as two scrolls of pavé-set old-mine diamonds bordering a similar scroll of carved honey-colored chalcedony, mounted in 18 karat white gold.  

Accompanied by a copy of a note from Jean Herz, Paris, dated March 22, 2004, stating that the brooch was designed by Madame Suzanne Belperron.  

Sotheby's, Magnificent Jewels, New York, 04 Dec 2007