An Art Deco brooch by Boucheron, Circa 1930. Photo courtesy Wartski
the elliptical openwork brooch centred by a piece of beveled rock crystal joined to the brilliant cut diamond set platinum ends by black enamel ties, twenty-six diamonds in total. Signed 'Boucheron, Paris'. 4.8 cm across. Price: £13, 500
Wartski - http://www.wartski.com/