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  2. List of culinary knife cuts - Wikipedia

    en.wikipedia.org/wiki/List_of_culinary_knife_cuts

    Lozenge; diamond shape, 1 ⁄ 2 by 1 ⁄ 2 by 1 ⁄ 8 inch (10 mm × 10 mm × 3 mm) Fermière ; cut lengthwise and then sliced to desired thickness 1 ⁄ 8 – 1 ⁄ 2 inch (3–10 mm) Rondelle ; cylindrical vegetables cut to discs of desired thickness 1 ⁄ 8 – 1 ⁄ 2 inch (3–10 mm)

  3. Diamond cut - Wikipedia

    en.wikipedia.org/wiki/Diamond_cut

    These diamond saws and good jewelry lathes enabled the development of modern diamond cutting and diamond cuts, chief among them the round brilliant cut. In 1919, Marcel Tolkowsky analyzed this cut: his calculations took both brilliance (the amount of white light reflected) and fire into consideration, creating a delicate balance between the two ...

  4. Brilliant (diamond cut) - Wikipedia

    en.wikipedia.org/wiki/Brilliant_(diamond_cut)

    The earliest diamond cutting techniques were simply to polish the natural shape of rough diamonds, often octahedral crystals. [1] Around the 1500s, polishing and cutting inventions made it possible to shape diamonds better, cut facets and make the stones sparkle more. [2] By 1750, a round cut called Old European cut had developed.

  5. Diamond (gemstone) - Wikipedia

    en.wikipedia.org/wiki/Diamond_(gemstone)

    Typically a round brilliant 1.0-carat (200 mg) diamond should have a diameter of about 6.5 mm (0.26 in). Mathematically, the diameter in millimeters of a round brilliant should approximately equal to 6.5 times the cube root of carat weight, or 11.1 times the cube root of gram weight, or 1.4 times the cube root of point weight.

  6. Ring size - Wikipedia

    en.wikipedia.org/wiki/Ring_size

    Originally in 1945, the divisions were based on the ring inside diameter in steps of 1 ⁄ 64 inch (0.40 mm). [6] However, in 1987 BSI updated the standard to the metric system so that one alphabetical size division equals 1.25 mm of circumferential length. For a baseline, ring size C has a circumference of 40 mm. [7]

  7. 813-karat diamond was just sold as the most expensive diamond ...

    www.aol.com/news/2016-05-09-813-karat-diamond...

    Here's a look at the diamond which was found six months ago: The gemstone was purchased by Nemesis International DMCC, a rough-diamond trading company that markets itself as having created "one of ...

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