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2. Scaif - Wikipedia

   en.wikipedia.org/wiki/Scaif

   This invention revolutionized the diamond cutting industry and, correspondingly, greatly increased the popularity of diamonds. [5] The scaif consists of a hard disk, parallel to the floor. The disk looks like and is rotated in the same way as a potter's wheel. On the top surface a film of olive oil and diamond dust is placed.

3. Diamond cutting - Wikipedia

   en.wikipedia.org/wiki/Diamond_cutting

   The first major development in diamond cutting came with the "Point Cut" during the later half of the 14th century: the Point Cut follows the natural shape of an octahedral rough diamond crystal, [2] eliminating some waste in the cutting process. Diamond cutting, as well as overall processing, is concentrated in a few cities around the world ...

4. Trilliant cut - Wikipedia

   en.wikipedia.org/wiki/Trilliant_cut

   Patented design of top faceting of the trillion cut diamond (Patent No. D-250,100) A trilliant cut, sometimes called a trillion, trillian, or Trielle is a triangular type of gemstone cut. The cut has many variations. It may have curved or uncurved sides. The shape of the top surface, or table, also varies.

5. Gabi Tolkowsky - Wikipedia

   en.wikipedia.org/wiki/Gabi_Tolkowsky

   Gabriel S. Tolkowsky (15 September 1939 – 28 May 2023) was a Belgian-Israeli diamond cutter, best known for cutting the Centenary Diamond. [1] He was the great nephew of Marcel Tolkowsky, father of the modern round brilliant diamond cut. [2] He is the sixth generation in his family to become well-known in the diamond cutting trade. [3] [4]

6. Diamond tool - Wikipedia

   en.wikipedia.org/wiki/Diamond_tool

   A diamond tool is a cutting tool with diamond grains fixed on the functional parts of the tool via a bonding material or another method. As diamond is a superhard material , diamond tools have many advantages as compared with tools made with common abrasives such as corundum and silicon carbide .

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   Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.