A diamond spray brooch, circa 1890 Designed as a floral and foliate spray, the leaves and ribbon set with rose-cut diamonds, the en tremblant flowerhead set with similarly, old brilliant-cut and cushion-shaped diamonds, mounted in silver and gold, cushion-shaped diamonds approx. 1.05cts total, damage, later pin fitting, Dutch assay marks, length 7.4cm For further information on this lot please visit Bonhams.com