1st: An early 20th century ring set with a 6.8mm pearl between old brilliant-cut diamond shoulders, mounted in platinum, 2nd: A late 19th century ring set with an oval-shaped turquoise cabochon, within a surround of old brilliant-cut diamonds, mounted in gold, 3rd: A diamond brooch, circa 1900, of openwork annular design, set throughout with rose-cut diamonds and accented by seed pearls, mounted in silver and gold, 4th: A diamond brooch, circa 1890, of openwork flowerhead form, set throughout with old brilliant and rose-cut diamonds, mounted in silver and gold, 5th: A Belle époque brooch, French, circa 1910, the rock crystal plaque with an applied navette-shaped motif set with rose-cut diamonds, the border set with calibré-cut sapphires and rose-cut diamonds, mounted in platinum, old brilliant-cut diamonds approx. 1.70cts total, 5th with French assay mark, pearls untested, lengths: 1st ring size N, 2nd ring size K, 3rd 3.2cm, 4th 2.6cm, 5th 5.5cm (5)