A fancy-coloured diamond single-stone ring, circa 1930

The old brilliant-cut diamond, weighing 2.40 carats, within an eight-claw setting with pierced gallery, between stepped baguette-cut diamond shoulders flanked by trios of old brilliant-cut diamond highlights, ring size L. Sold for £10,200 

(Copyright © 2002-2008 Bonhams 1793 Ltd., Images and Text All Rights Reserved)

Bonhams. Fine Jewellery, 25 Sep 2008. New Bond Street. www.bonhams.com