A 101.41-carat D Color Internally Flawless pear-shaped diamond sold for more than $12.9 million at Sotheby’s New York Magnificent Jewels sale Thursday. The auction house says the result places the gem ...
A rare Art Deco Colombian emerald bracelet by Cartier, circa 1926, will be offered at an upcoming auction at Bonhams in New York, with a presale estimate between US$750,000 and US$1.25 million.