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Indian Minister of Tourism and Culture Ambika Soni (R) and Chairman of The Indian Council for Cultural Relations (ICCR) Karan Singh look at a display of Nizam Jewellery during the inauguration of an exhibition in New Delhi, 26 September 2007. The sparkling Jacob diamond, the beautiful seven stringed pearl necklace, known as 'satlada' and many glittering Nizam's jewelleries with button pearls and diamond beads will be open for public view. The most outstanding exhibit is The Imperial Diamond, also known as Jacob Diamond - after Alexander Malcolm Jacob, who sold it to VIth Nizam Mahboob Ali Pasha in 1891 - weighing 184.79 carats almost double the size of The Kohinoor Diamond and is said to be worth 100 million USD. AFP PHOTO/RAVEENDRAN (Photo credit should read RAVEENDRAN/AFP via Getty Images)

Indian Minister of Tourism and Culture Ambika Soni (R) and Chairman of The Indian Council for Cultural Relations (ICCR) Karan Singh look at a display of Nizam Jewellery during the inauguration of an exhibition in New Delhi, 26 September 2007. The sparkling Jacob diamond, the beautiful seven stringed pearl necklace, known as 'satlada' and many glittering Nizam's jewelleries with button pearls and diamond beads will be open for public view. The most outstanding exhibit is The Imperial Diamond, also known as Jacob Diamond - after Alexander Malcolm Jacob, who sold it to VIth Nizam Mahboob Ali Pasha in 1891 - weighing 184.79 carats almost double the size of The Kohinoor Diamond and is said to be worth 100 million USD. AFP PHOTO/RAVEENDRAN (Photo credit should read RAVEENDRAN/AFP via Getty Images)