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Oval Cut: Unique and Classic. Oval diamond engagement rings offer a distinctive twist to a classic Round. They're ideal for distinguished, creative people who elegantly stand out from the crowd.
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.
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.
Diamond proportions and facets, for the round brilliant cut. The original round brilliant-cut was developed by Marcel Tolkowsky in 1919. The ideal proportions are 100% diameter, 53% table, 43.1% pavilion and 16.2% crown. The girdle and culet (if any—not part of
Marcel Tolkowsky (25 December 1899 – 10 February 1991), [1] an engineer by education, was a Belgian member of a Jewish family of diamond cutters from Poland.He is generally acknowledged as the father of the modern round brilliant diamond cut. [2]
It comprises a large table-cut diamond with a tuft of feathers, with a pear pearl and a ruby drop beneath. This may be the jewel called the "Portugal diamond" or the "Mirror of France". [ 220 ] The "Mirror of Portugal" was acquired by Queen Elizabeth from António, Prior of Crato and re-used by Anne of Denmark with the "Cobham pearl". [ 221 ]
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