of halo form centred by the fan-shaped tree motif, to the middle a fancy half moon diamond and with baguette cut diamond 'trunk', openwork and with pierced detail, the rounded frame set with two lines of diamonds, squared off at the bottom hinged end, millegrain set with old brilliant, single and transition cut diamonds, mounted in platinum, signed 'TIFFANY & CO' and stamped 'IRID PLAT', approximately 4.50cts of diamonds in all Height 2.7cm / 1 1/16''
Width 2.9cm / 1 1/8'' Weight: 14.5g
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,
Art Deco ruby, diamond, sapphire and demantoid garnet open rectangular brooch, French, of buckle design with central band of geometric vari-coloured gem flowers,
Early 20th century diamond and onyx bow brooch by Cartier, London c.1920, of double loop design with central line of graduated old brilliant cut diamonds,