, 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
Mid 20th century diamond set stylised flower brooch by Van Cleef & Arpels, Paris c.1950, designed as a single bloom, the principal single stone diamond of 2.23ct forming the stamen,
Late 19th century / early 20th century 'Noeud Louis XVI' diamond openwork ribbon bow brooch by Cartier, Paris c.1902, the loops and ribbon ends centred by alternating single stone and quatrefoil clusters,