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  2. Traditional point-size names - Wikipedia

    en.wikipedia.org/wiki/Traditional_point-size_names

    (11) Diamond (4.5 pt, 1.5875 mm). Fonts originally consisted of a set of moveable type letterpunches purchased from a type foundry . As early as 1600, the sizes of these types—their "bodies" [ 1 ] —acquired traditional names in English, French, German, and Dutch, usually from their principal early uses. [ 2 ]

  3. Jewellery - Wikipedia

    en.wikipedia.org/wiki/Jewellery

    It is an amulet, which comprises diamond, pearl, ruby, sapphire, emerald, topaz, cat's eye, coral, and hyacinth (red zircon). Each of these stones is associated with a celestial deity, representing the totality of the Hindu universe when all nine gems are together. The diamond is the most powerful gem among the nine stones.

  4. Jewels of Diana, Princess of Wales - Wikipedia

    en.wikipedia.org/wiki/Jewels_of_Diana,_Princess...

    Her engagement ring consisted of 14 diamonds surrounding a 12-carat oval blue Ceylon sapphire set in 18-karat white gold. [ 54 ] [ 55 ] It was created by then-crown jeweller Garrard . The design was inspired by Queen Victoria's sapphire-and-diamond cluster brooch, a wedding present from Prince Albert in 1840, which Victoria donned that day as ...

  5. Diamond - Wikipedia

    en.wikipedia.org/wiki/Diamond

    Jewelers must be careful when molding the metal in a diamond ring. [53] Diamond powder of an appropriate grain size (around 50 microns) burns with a shower of sparks after ignition from a flame. Consequently, pyrotechnic compositions based on synthetic diamond powder can be prepared.

  6. Diamond color - Wikipedia

    en.wikipedia.org/wiki/Diamond_color

    Another factor that affects the value of fancy-colored diamonds is fashion trends. For example, pink diamonds fetched higher prices after Jennifer Lopez received a pink diamond engagement ring. [16] Fancy-colored diamonds such as the deep-blue Hope Diamond are among the most valuable and sought-after diamonds in the world.

  7. Graff Pink - Wikipedia

    en.wikipedia.org/wiki/Graff_Pink

    The diamond, mounted in a ring, was sold by Sotheby's auctioneers in Geneva, Switzerland on 16 November 2010. Before its sale, the stone was expected to enter the list of the top ten most expensive diamonds in the world; [ 1 ] on selling for US $46 million (£29 million) it became the most expensive single jewel ever sold at auction at that time.