A rare enamel and diamond orchid brooch,  by Tiffany & Co. Photo courtesy Christie's.

Of the Brassia variety, the pair of "Spider Orchids" extending undulating white and pink enamel petals with gold detail, and five pink and green enamel petals with deep red and white enamel mottling, the center of each set with a circular-cut diamond pistil, to the green and orange enamel stem with green enamel leaves, mounted in 18k gold, in a Tiffany & Co. black suede case Signed Tiffany & Co. Lot 1031. Estimate $30,000 - $50,000. Price Realized $92,500

Notes: Cf. Suzanne Tennenbaum and Janet Zapata, Jeweled Garden: A Colorful History of Gems, Jewels, and Nature, The Vendome Press, New York, 2006, page 209

Christie's. SUPERB 20TH CENTURY JEWELS FROM AN AMERICAN COLLECTION, 15 October 2008, New York, Rockefeller Plaza