Art Deco Nephrite Jade, Amethyst, Diamond and Platinum Brooch. Circa 1930’s. Photo courtesy Macklowe Gallery

An Art Deco platinum brooch with diamonds, amethysts, and nephrite jade. The brooch has a center old European-cut diamond with an approximate total weight of .80 carats, 2 pear-shape amethysts with an approximate total weight of 1.50 carats, 16 old European-cut diamonds with an approximate total weight of 1.12 carats, and a carved nephrite jade circle known as a bi. Dimensions: 1” in height x 2 5/15” in width. Price Range:  Under $25,000. www.macklowegallery.com