Barbara Hutton's jadeite necklace, which is now part of the Cartier Collection, includes a clasp that Hutton commissioned Cartier to add to the necklace in the 1930s featuring baguette-cut diamonds and buff-top calibré-cut rubies

Barbara Hutton's jadeite necklace, which is now part of the Cartier Collection, includes a clasp that Hutton commissioned Cartier to add to the necklace in the 1930s featuring baguette-cut diamonds and buff-top calibré-cut rubies.