18K JADE, EMERALD AND DIAMOND BROOCH: 18K yellow gold brooch contains one 12.00 x 9.00 mm cabochon cut piece of jadeite jade. Four round mixed cut emeralds. Weight: .30 Ct. Approx. Two round single cut diamonds. Weight: .08 Ct. Approx. Two 3.00 mm seed pearls. All gemstones are prong set. Unidentified hallmarks. Weight: 15.7 grams. Length: 3.5''