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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. 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. Cut (gems) - Wikipedia

    en.wikipedia.org/wiki/Cut_(gems)

    The diamond cut planning stage is a complex process that requires the cutter to work with unique rough stones. Very often, the location of the inclusions in a rough stone will determine the type of shape to which a diamond may be cut. For economic reasons, most diamonds are cut to retain weight instead of maximizing brilliance. [2]

  5. Diamond (gemstone) - Wikipedia

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

    For a round brilliant cut, there is a balance between "brilliance" and "fire". When a diamond is cut for too much "fire", it looks like a cubic zirconia, which gives off much more "fire" than real diamond. A well-executed round brilliant cut should reflect light upwards and make the diamond appear white when viewed from the top.

  6. A Brief History of the Cullinan Diamonds, Queen Elizabeth's ...

    www.aol.com/brief-history-cullinan-diamonds...

    Weighing 530.2 carats, the pear-shaped Cullinan I, also known as the Great Star of Africa, is still the largest clear cut diamond in the world and the crown jewel of Crown Jewels, set in the ...

  7. Brilliant (diamond cut) - Wikipedia

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

    Gold ring with Old European cut diamonds, late 1800s, Hallwyl Museum. 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]

  8. Gemstone - Wikipedia

    en.wikipedia.org/wiki/Gemstone

    In diamonds, the cut is the primary determinant of value, followed by clarity and color. An ideally cut diamond will sparkle, to break down light into its constituent rainbow colors (dispersion), chop it up into bright little pieces (scintillation), and deliver it to the eye (brilliance).

  9. The 12 best places to buy jewelry online in 2025 - AOL

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

    Whether you're looking for a show-stopping diamond bracelet, colorful gemstone necklace, or just a piece of cute everyday jewelry, we've rounded up some of the best places to buy jewelry online to ...

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