Jewellery, Watches, Silver and Objects of Vertu

An early 19th century diamond brooch, set with an oval-cut diamond within a pierced lozenge-shaped surround with scroll and foliate detailing, set throughout with old brilliant and rose-cut diamonds, suspending a detachable drop designed en suite, mounted in silver and gold, closed back settings throughout, total diamond weight very approximately 5.50 carats, length 5.4cm. £4,000-£6,000