Lot 98. Platinum, Colored Stone and Diamond Brooch, Mauboussin, France, circa 1930. Estimate 60,000 — 80,000 USD. Photo: Sotheby's. 

Designed as a jardinière decorated with carved and buff-topped rubies and emeralds, accented by carved sapphires, set with variously-cut diamonds weighing approximately 3.80 carats, signed Mauboussin-France, numbered 1234, with French assay marks; circa 1930.

Sotheby's. Magnificent Jewels Including the Legendary Stotesbury Emerald, New York, 25 Apr 2017, 10:00 AM