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Ch. 11: The Koh-I-Nur, The Great Diamond of History & Romance

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132 THE GREAT DIAMONDS OF THE WORLD.
London.* To assist his object a small four-horse machine was erected, and the cutting commenced by the Prince Consort placing the diamond on the mill on the 6th of July, 1852. The operation was com­pleted at the end of thirty-eight days of twelve hours each. The " Star of the South," a much larger stone, was afterwards cut by the same hand in three months. But the " Pitt," or " Regent," treated by the slower hand-process of the eighteenth century, had occupied no less than two years.
One of the flaws in the "Koh-i-Nùr'' gave great trouble. In order to remove it the number of revolu­tions of the cutting-wheel had to be increased to 3,000 per minute, and even then the object was only attained very slowly. During the process of re­duction, the diamond lost exactly eighty carats in weight, having been reduced from 186-1/16 to its present weight of 106-1/16 carats.
After all, the result was far from giving universal satisfaction, although obtained at a cost of no less
Ch. 11: The Koh-I-Nur, The Great Diamond of History & Romance Page of 312 Ch. 11: The Koh-I-Nur, The Great Diamond of History & Romance
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