the single flowerhead of naturalistic form, with diamond edged petals and tiger-stripe diamond details, the upper petals with a purplish-black enamel ground, the lower petals shaded lilac to white at the middle, a principal old European cut diamond claw set to centre, mounted in 18ct gold, pendant loop to verso, approximately 3.25cts of diamonds in all Length 3.8cm / 1�''
Width 3.5cm / 1 3/8'' Weight: 20g
19th century nine stone vari-colour gem brooch, c.1830, of oval form, central sapphire to a surround including sapphire, ruby, catseye, hessonite garnet, aquamarine and amethyst,
Art Deco sapphire and diamond bow brooch by Mauboussin, Paris, the openwork centre of buckle design featuring an oblong cushion cut sapphire of approximately 1.25ct,