Art Deco Platinum Aquamarine & Diamond Convertible Brooch 2.25''. Includes one transparent medium-light slightly greenish-blue emerald cut aquamarine beryl measuring 16.01x14.04x9.65mm. Also one Old European cut diamond (H/SI-2, slightly chipped) of .29ct, (14) Old European cut diamonds of .78ctw, and (25) round brilliant cut diamonds of .7ctw. Verso pin is marked 14k, while balance is platinum. Mounting weighs 11.5 grams. Comes with current 2023 Emerald City Gemological Services appraisal.