enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  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. 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 ...

  5. 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 ...

  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. Lazare Kaplan International - Wikipedia

    en.wikipedia.org/wiki/Lazare_Kaplan_International

    In 1919, Lazare Kaplan's cousin, mathematician Marcel Tolkowsky, first published the mathematical formula for diamonds cut to "ideal" proportions, a formula designed to optimise the brilliance, fire and sparkle in a polished diamond. In the same year, LKI became the first commercial-scale operation to cut its diamonds to ideal proportions.

  8. Oldest stone tablet inscribed with Bible’s Ten Commandments ...

    www.aol.com/oldest-stone-tablet-inscribed-bible...

    The oldest known tablet inscribed with the Ten Commandments from the Old Testament sold on Wednesday for $5.04 million, more than double its high estimate. The stone, which dates back around 1,500 ...

  9. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!