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Diamond-weighing kit, with weights labelled in grams and carats. The carat (ct) is a unit of mass equal to 200 mg (0.00705 oz; 0.00643 ozt), which is used for measuring gemstones and pearls.
Cleavage also plays a helpful role, especially in large stones where the cutter wishes to remove flawed material or to produce more than one stone from the same piece of rough (e.g. Cullinan Diamond). [8] Diamonds crystallize in the diamond cubic crystal system (space group Fd 3 m) and consist of tetrahedrally, covalently
The diamond supply chain is controlled by a limited number of powerful businesses, and is also highly concentrated in a small number of locations around the world. Only a very small fraction of the diamond ore consists of actual diamonds. The ore is crushed, during which care is required not to destroy larger diamonds, and then sorted by density.
The Elizabeth Taylor Diamond, formerly known as the Krupp Diamond, is a 33.19-carat (6.638 g) diamond that was bought by Richard Burton for his wife, Elizabeth Taylor in 1968. The diamond was one of a number of significant pieces of jewellery owned by Taylor, her collection also included the 68 carat Taylor–Burton Diamond , which was bought ...
Polishing all 16 main facets. Brillianteering – Adding and polishing 8 stars and 16 pavilion and 16 crown halves. Quality control – checking for symmetry, polish and cut (angles) after the diamond is completed. This is just one, although a fairly common way of creating a round brilliant cut. The actual process also includes many more stages ...
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