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2. Marcel Tolkowsky - Wikipedia

   en.wikipedia.org/wiki/Marcel_Tolkowsky

   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 ]

3. Brilliant (diamond cut) - Wikipedia

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

   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

4. The 10 best places to buy jewelry online in 2024 - AOL

   www.aol.com/lifestyle/best-places-to-buy-jewelry...

   From Brilliant Earth to Shane Co, we tracked down all the best places to shop for diamonds, gold, and casual jewelry. ... and custom cut options. You can start by selecting a stone and designing ...

5. 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 ...

6. 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]

7. Facet - Wikipedia

   en.wikipedia.org/wiki/Facet

   This first early version of what would become the modern Brilliant Cut is said to have been devised by an Italian named Peruzzi, sometime in the late 17th century. [1] [2] Later on, the first angles for an "ideal" cut diamond were calculated by Marcel Tolkowsky in 1919. Slight modifications have been made since then, but angles for "ideal" cut ...

8. Diamond (gemstone) - Wikipedia

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

   He developed the round brilliant cut by calculating the ideal shape to return and scatter light when a diamond is viewed from above. The modern round brilliant has 57 facets (polished faces), counting 33 on the crown (the top half), and 24 on the pavilion (the lower half). The girdle is the thin middle part. The function of the crown is to ...

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   Discover the best free online games at AOL.com - Play board, card, casino, puzzle and many more online games while chatting with others in real-time.