A belle époque diamond sûreté pin, circa 1910 Each finely pierced terminal millegrain-set with cushion and pear-shaped, old brilliant and single-cut diamonds, diamonds approximately 5.00 carats total, length 6.5cm.
An art deco emerald and diamond plaque brooch, circa 1920 Of chequerboard design, millegrain-set with square and triangular-cut emeralds and French-cut diamonds within a border of smaller single-cut diamonds, with a larger old brilliant-cut diamond to the centre, length 5.2cm., cased.
An early 20th century sapphire and diamond brooch pendant The openwork plaque of fine knife-wire, millegrain set brilliant and single-cut diamond detail, its centre issuing a stylised scroll of similarly set diamonds and calibré-cut sapphires, to an oval mixed-cut sapphire drop, diamonds approx. 4.00ct. total, length 8.0cm.