A yellow gold, cultured pearl and diamond brooch and earring suite, by Andrew Grima, 1969. Photo: Bonhams.

The brooch of "starburst" design, the textured 18 carat gold border enveloping the central golden pearl within a brilliant-cut diamond surround, the earrings en suite, both signed Grima, workshop mark HJCo, London hallmarks, brooch length 5.4cm, earring length 3.0cm, maker's case. Estimate £5,000 - 7,000 (€6,100 - 8,500)

Bonhams. FINE JEWELLERY. London, New Bond Street, 30 Apr 2014 - www.bonhams.com