Art Deco Lady's Moonstone & Diamond Jabot Pin 3.25''x1''. Impressive brooch includes a 19.5x16.6x10.1mm trapezoid cabochon (approx. 16 carats) and a 13.5x10x4.3mm pear shaped cabochon (approx. 3.5 carats) moonstone orthoclase feldspar. Their color is semi-transparent near-colorless with grayish violetish-blue adularescence. Also (116) old european, swiss, single, and rose cut diamonds of an estimated 1.47 carats total. No visible marking, though likely French. Similar to the work of Cartier, Lacloche Freres, or Tiffany. It weighs 13.2 grams and is set in platinum. Excellent condition in fitted green leather box. Current 2017 appraisal included from Northwest Gemological Laboratory. (256)