A mid 19th century diamond spray brooch. Photo Bonhams

Of foliate design, the flowers, stems and leaves set throughout with old brilliant-cut diamonds within pinched collet-settings, the central flower highlighted by a similarly cut diamond of pink tint, weighing 0.61 carat, mounted in gold and silver, remaining diamonds approximately 3.45 carats total, length 6.5cm. Estimate: £7,000 - 8,000, US$ 11,000 - 13,000