An 18ct gold freshwater pearl and diamond brooch by Andrew Grima, 1963, of abstract form, the gold surmount composed of staggered rods with beaded terminals and brilliant-cut diamond highlights, the whole suspending a freshwater pearl drop, (pearl untested), maker’s mark ‘HJCo’, retailer’s mark for Fred J. Cooper, London hallmark, total diamond weight approximately 0.40 carat, length 7.5cm. £2,400-£3,000