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The First Cut. The chapter describes scientific and professional examination of the Koh-i-Noor and how it was cut. There is a summary of David Brewster's critique of the diamond. Garrard & Co contracted the Dutch diamond company Mozes Coster to plan for cutting the diamond. Maudslay, Sons & Field provided an engine to grind it.
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 ...
The Jacob Diamond, also known as the Imperial or Victoria Diamond, is a colourless diamond from India (or from the Golconda mines) [1] ranked as the fifth-biggest polished diamond in the world. [ 2 ] [ 3 ] The last nizam of the Hyderabad State , Mir Osman Ali Khan , found the diamond in the toe of the shoe of his father ( Mahboob Ali Khan ) at ...
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.
Drawing of the Great Moghul Diamond, by Tavernier in 1666 Sketch of the Orlov diamond from the book Precious Stones by Max Bauer, 1904. The Great Mogul was a large diamond that is believed to have been discovered around 1650, most probably around the Kollur Mine in the Golconda region of southern India.
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The Orlov is a rarity among historic diamonds, for it retains its original Indian rose-style cut (see diamond cut). Its colour is widely stated as white with a faint bluish-green tinge. Data released by the Kremlin gives the Orlov's measurements as 32 millimetres x 35 millimetres x 21 millimetres, its weight being 189.62 carats (37.924 g). The ...
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