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  2. Diamond cutting - Wikipedia

    en.wikipedia.org/wiki/Diamond_cutting

    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.

  3. Lapidary - Wikipedia

    en.wikipedia.org/wiki/Lapidary

    Possibly using a mechanical facet-cutting device. A gemcutter may cut and polish diamonds for industrial purposes, and be designated as an industrial diamond polisher. The Mohs hardness scale [25] is a commonly used tool in lapidary to help measure a mineral's scratch hardness. A mineral's scratch hardness is measured by seeing how easily ...

  4. 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]

  5. Diamond cut - Wikipedia

    en.wikipedia.org/wiki/Diamond_cut

    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.

  6. Antwerp diamond district - Wikipedia

    en.wikipedia.org/wiki/Antwerp_diamond_district

    Each year, approximately 50% of the rough diamonds return to Antwerp for cutting and polishing. [3] Over $16 billion in polished diamonds pass through the district's exchanges each year. There are 380 workshops that serve 1,500 companies. There are also 3,500 brokers, merchants and diamond cutters. In 2017, roughly 234 million carats were ...

  7. Royal Asscher Diamond Company - Wikipedia

    en.wikipedia.org/wiki/Royal_Asscher_Diamond_Company

    The Asscher Diamond Factory former headquarters on the Tolstraat 127 in Amsterdam. The Royal Asscher Diamond Company (Dutch: Koninklijke Asscher Diamant Maatschappij) was founded in 1854 by the Asscher family of gemcutters. The company is responsible for cutting some of the most famous diamonds in the world including the 2nd largest diamond ...

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    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!

  9. Diamond (gemstone) - Wikipedia

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

    Diamond cutting is the art and science of creating a gem-quality diamond out of mined rough. The cut of a diamond describes the manner in which a diamond has been shaped and polished from its beginning form as a rough stone to its final gem proportions. The cut of a diamond describes the quality of workmanship and the angles to which a diamond ...