A huge, internally flawless diamond from India#39;s fabled Golconda mines was sold at auction in Geneva on Tuesday night for a record 20.355 million Swiss francs, Christie#39;s said. The rare, colourless stone weighing 76.02 carats, and roughly the size of a large strawberry, once belonged to Archduke Joseph August of Austria (1872-1962), a prince of the Hungarian line of the Habsburgs. Its pre-sale estimate was 15-to-25 million Swiss francs and it fetched more than double the price paid for i
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Diamond fetches $21.5 million
