, centred by a fine bouton white pearl, 4.97ct, with rose overtone, to a stepped two row old brilliant cut diamond border, outer frame of spaced smaller white pearls, diamond weight approximately 3.80cts, stamped 'BB&B', serial number 23770, the brooch fitting detachable, hinged pendant loop to verso, accompanied by Gem & Pearl Lab report no. 22492 for the pearls, giving a natural saltwater origin opinion for the principal 4.97ct pearl and that samples of the pearl border were also found to be of natural saltwater origin Diameter 2.8cm / 1 1/8'' Weight: 18g
Art Deco petite nephrite and diamond clip brooch by Cartier, New York, the short arrowed form with a central channel of dome-buffed rectangular nephrite,