two channel set lines of sugarloaf cabochon sapphires with a triangular cluster at either end set with liens of diamonds an calibre onyx forming a 'key' pattern, the point terminals each set with a triangular cut diamond, mounted in platinum, French assaymark to pin, French workshop mark to pin Length 6.2cm / 2 5/8''
Width 1.4cm / �'' Weight: 12g
Later 19th century cushion cut diamond cluster flower pendant-brooch, c.1890, in the manner of the mid-18th century style, centre stone approximately 3.00ct,
Late 19th century Austrian sapphire, diamond and natural drop pearl cluster pendant brooch, Vienna c.1890, centred by a principal oblong cushion cut Ceylon sapphire of 9.18ct,
Early 20th century yellow sapphire, sapphire and diamond cluster brooch, c.1910, centred by an 11.90ct Ceylon yellow sapphire of old square cushion cut and lemony-yellow hue,