Lot 54. Platinum, 18 Karat Gold, Ruby, Diamond and Colored Diamond Orchid Brooch, Marcus & Co. Estimate 45,000 — 65,000 USD. Lot sold 75,000 USD. Photo Sotheby's

Designed as an orchid, the central petal decorated with calibré-cut rubies, accented by round diamonds of yellow hue weighing approximately 2.25 carats, the outer petals set with round diamonds weighing approximately 16.00 carats, signed Marcus & Co.; circa 1940.

Please note the diamonds of yellow hue have not been tested for natural origin of color.

Sotheby's, Magnificent Jewels, New York, 21 April 2015