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...

A fancy-coloured diamond single-stone ring The pear-shaped diamond, weighing 14.14 carats, between triangular-cut diamond shoulders, side stones approximately 2.00 carats total, ring size L½. Sold for £264,000 Accompanied by a certificate from the GIA,...