A Qajar diamond-set gold brooch and ensuite pair of earrings, Iran, 19th century. Photo Christie's Image Ltd 2014

The brooch of stellar form, with central diamond inset, each earring with two hanging gold openwork half-spheres beneath a filigree rosette with slightly raised central boss, with original presentation leather box inscribed 'M. G. B 'below a ducal crown, very good condition. The brooch 1.3/4in. (4.5cm.) across; earring 2in. (5cm.) high each. Estimate £1,200 – £1,800

Christie's. ARTS & TEXTILES OF THE ISLAMIC AND INDIAN WORLDS, 11 April 2014, London, South Kensington - www.christies.com