box collet set with 30 graduated old round brilliant cut diamonds, mounted in platinum, signed 'BOUCHERON PARIS', workshop mark appears to be for FB, French assaymarks, approximately 11cts in all Length 17.3cm / 6�''
Width at centre 0.6cm / �'' Weight: 22g
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,
Art Deco diamond and sapphire cluster ring, French c.1925, central rectangular cut diamond of approximately 1.00ct, between calibre sapphire and diamond dart shoulders,