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The diamond further was characterised as a "rudely faceted, lustreless mass." Illustrations in Herbert Tillander's book "Diamond Cuts in Historic Jewelry – 1381 to 1910" show it as being a semi-triangular moghal cut with a plateau top, similar looking to the 115-carat Taj-E-Mah Diamond which resides in the Iranian Crown Jewels.
A diamond cut is a style or design guide used when shaping a diamond for polishing such as the brilliant cut. Cut refers to shape (pear, oval), and also the symmetry, proportioning and polish of a diamond. The cut of a diamond greatly affects a diamond's brilliance—a poorly-cut diamond is less luminous.
Crossword-like puzzles, for example Double Diamond Puzzles, appeared in the magazine St. Nicholas, published since 1873. [32] Another crossword puzzle appeared on September 14, 1890, in the Italian magazine Il Secolo Illustrato della Domenica. It was designed by Giuseppe Airoldi and titled "Per passare il tempo" ("To pass the time"). Airoldi's ...
An example of this is the marquise cut diamond which was popular in the 1970s to 1980s. In later decades, jewelers had little success in selling this shape in comparison to other shapes like the oval or pear shape. [citation needed] The marquise can be cut into an oval diamond by any diamond cutter with a loss of 5 to 10% in total weight.
The Briolette of India is a colorless diamond (weighing 90.38 carats (18.076 g)) that was found in India. It is cut in a briolette shape, and is a D-coloured (colourless) type IIa diamond . [ 1 ] Its history was thought to date from the 12th century, when it was first acquired by Eleanor of Aquitaine , the Queen consort of King Louis VII of ...
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Diamond mining in India extends back into antiquity. From ancient times, India was the source of nearly all the world's known diamonds, and until diamonds were discovered in Brazil in 1726, India was the only place where diamonds were mined. India has not been a major diamond-producing country since the 1900s, but diamond mining continues.
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