collet-set to the centre with a cabochon-cut emerald set to a fan-shaped plaque pavé-set with rows of round brilliant-cut and old-cut diamonds, the shoulders set with further diamonds weighing a total of approximately 1.60 carats, size M½; and a diamond-set plaque, 1930s with articulated shoulders collet and pavé-set with old- and eight-cut diamonds weighing approximately 2.00-2.20 carats, with later post and butterfly fittings, length approximately 35mm