This Indian king had world's largest diamond necklace with 2930 diamonds, it's price is whopping Rs..., the necklace is now at...
In 1948 the necklace mysteriously vanished from Patiala's royal treasury. Thirty-two years later, it surfaced at an auction ...
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The diamond empire: How De Beers created a market out of nothing
When De Beers found itself with a glut of gems and no buyers, it used glamour and royalty to create a market where none ...