Jewellery, Watches, Silver and Objects of Vertu

A late 19th century gem-set ducal coronet brooch, set throughout with rose-cut diamonds and accented with vari-cut rubies, sapphires and emeralds, mounted in silver and gold, width 52mm. £600-£800

The coronet of a duke or duchess comprises a circlet supporting eight strawberry leaves, of which five are seen in two-dimensional representations.