An antique enamel, ruby and diamond orchid brooch, by Tiffany & Co. Photo courtesy of Christie’s. 

Of the Indian variety Phalaenopsis schillerianum, extending undulating white enamel petals with lavender concentrations and red veining, the center set with rose-cut diamonds and brown, red and yellow enamel, and a cushion-cut ruby stem, mounted in gold, circa 1889, with the French mark, ET. Signed Tiffany & Co., New York