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  2. Canary Diamond - Wikipedia

    en.wikipedia.org/wiki/Canary_Diamond

    The Canary Diamond is an uncut canary-yellow 17.86 carat diamond found in 1917 at what is now the Crater of Diamonds State Park in Arkansas. [ 1 ] [ 2 ] It is in the collection of the Smithsonian Museum of Natural History . [ 3 ]

  3. Diamond color - Wikipedia

    en.wikipedia.org/wiki/Diamond_color

    The majority of mined diamonds fall between white and pale yellow or brown; what is known as the normal color range. Diamonds of more intense color (usually yellow, but in some cases red, green or blue) are termed fancy color diamonds. Black diamonds are also fancy color diamonds. All other factors being equal, the most valuable diamonds are ...

  4. Red Cross Diamond - Wikipedia

    en.wikipedia.org/wiki/Red_Cross_Diamond

    The diamond is referred to as the Red Cross Diamond and it is classified as "fancy intense yellow" in color. It is commonly referred to as canary-yellow. [1] It has a cushion shaped cut and a Maltese cross faceted at its base. [2] The Maltese cross feature in the diamond was considered a rarity and in 1918 only two other diamonds were known to ...

  5. Diamond type - Wikipedia

    en.wikipedia.org/wiki/Diamond_type

    Type Ib diamonds absorb green light in addition to blue, and have a more intense or darker yellow or brown colour than Type Ia diamonds. The stones have an intense yellow or occasionally brown tint; the rare canary diamonds belong to this type, which represents only 0.1% of known natural diamonds. The visible absorption spectrum is gradual ...

  6. List of colors (alphabetical) - Wikipedia

    en.wikipedia.org/wiki/List_of_colors_(alphabetical)

    This is an accepted version of this page This is the latest accepted revision, reviewed on 14 December 2024. For other color lists, see Lists of colors. This article relies largely or entirely on a single source. Relevant discussion may be found on the talk page. Please help improve this article by introducing citations to additional sources. Find sources: "List of colors" alphabetical ...

  7. Crystallographic defects in diamond - Wikipedia

    en.wikipedia.org/wiki/Crystallographic_defects...

    C centers impart a deep yellow to brown color; these diamonds are classed as type Ib and are commonly known as "canary diamonds", which are rare in gem form. Most synthetic diamonds produced by high-pressure high-temperature (HPHT) technique contain a high level of nitrogen in the C form; nitrogen impurity originates from the atmosphere or from ...

  8. Material properties of diamond - Wikipedia

    en.wikipedia.org/wiki/Material_properties_of_diamond

    If the nitrogen atoms are dispersed throughout the crystal in isolated sites (not paired or grouped), they give the stone an intense yellow or occasionally brown tint (type Ib); the rare canary diamonds belong to this type, which represents only ~0.1% of known natural diamonds. Synthetic diamond containing nitrogen is usually of type Ib.

  9. Tiffany Yellow Diamond - Wikipedia

    en.wikipedia.org/wiki/Tiffany_Yellow_Diamond

    The famous Hope Diamond is only 45.5 carats, which is about one-third the mass of the Tiffany Yellow Diamond. [5] The diamond is known to have been worn by only four women during its lifetime. It was worn by Mary Whitehouse at the 1957 Tiffany Ball held in Newport, Rhode Island, mounted for the occasion in a necklace of white diamonds. [5]

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