A sapphire and diamond bracelet. Photo Christie's Image Ltd 2014 Designed as a graduated line of ten cushion-cut sapphires, weighing from approximately 11.56 to 19.57 carats, spaced by marquise-cut diamonds, mounted in platinum, 6¾ ins. Estimate $400,000...

Gold and sapphire bangle-bracelet, France. Photo Sotheby's The fluted gold bangle-bracelet set at the terminals with two cushion-cut sapphires weighing 18.65 and 12.92 carats, internal circumference 6¼ inches, with French assay and maker's marks. Estimate...