![Left, portrait of Heidi Horten wearing the Briolette necklace from India. Right, above, the Grand Mogul, Harry Winston emerald necklace and, below, a diamond and emerald braclet by Bulgari.](https://imagenes.elpais.com/resizer/v2/3FAZLICXRRFUPCFQO52TM2Q2KA.jpg?auth=096b4d3990b024dbe005069e1d0c5b857e0418801dad8bebb04110ae613b2ca9&width=414&height=233&smart=true)
Christie’s largest jewelry sale: A billionaire widow, diamonds and a fortune built on Nazi plunder
The auction house is putting 700 items from Heidi Horten’s collection under the hammer. She became Austria’s richest woman when she inherited her husband’s wealth, amassed during World War II