The Eye o f Golconda. A superb diamond and emerald pendent necklace. Photo Christie's Image Ltd 2014 Set with a pear-shaped diamond weighing 40.05 carats, to the old mine-cut diamond surmount weighing 6.76 carats, spaced by an octagonal-shaped emerald...

A sapphire and diamond ring. Photo Christie's Image Ltd 2014 Set with a cushion-cut sapphire, weighing approximately 7.55 carats, flanked on either side by an old mine-cut diamond, weighing approximately 1.06 and 1.05 carats, to the single-cut diamond...