centred by a principal round brilliant cut white diamonds, in an open frame of calibre cut sapphires with four round cut yellow diamond accent stones, the sapphire circle overlapping outer circles set with calibre cut rubies, emeralds and circular cut yellow diamonds, white diamond crescents in between, the gallery with engraved scroll band, mounted in platinum and gold Width 3.2cm / 1 5/16'' Weight: 15g
Early 20th century emerald and diamond panel brooch, English c.1915, probably by London & Ryder, of garland style, the openwork hexagonal panel centred by a trio of oval cabochon emeralds,
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,