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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 ...
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 ...
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 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 have the feature: the Regent Diamond being one. [3] The diamond is 205.07 carats (41.014 grams) and it is a ...
This includes all individual diamonds that can also be found in the subcategories. This is a non-diffusing parent category of Category:Individual diamonds by origin and Category:Individual diamonds by color
Red Cross Diamond; S. Sancy; T. Tiffany Yellow Diamond This page was last edited on 21 November 2018, at 21:40 (UTC). Text is available under the Creative ...
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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 ...