An antique ruby and diamond necklace. photo: Christie's Images Ltd 2010 Suspending a bezel-set oval-cut ruby, weighing approximately 6.73 carats, within an openwork old European and single-cut diamond scalloped surround, from a line of circular and old...

Rare Burmese Ruby and Diamond Ring Set to the center with an Burmese cushion-cut ruby, weighing approximately 31.06 carats, within a circular-cut diamond surround, mounted in platinum, size 7. With report no. 9711113 dated 28 November 1997 from Gübelin...

A superb ruby and diamond ring Set with a cushion-cut ruby, weighing approximately 6.76 carats, flanked on either side by a cushion-cut diamond, weighing approximately 2.01 and 2.02 carats, mounted in platinum. Est. $500,000 - $700,000 - Sold $866,500...