Diamonds that are accompanied by GIA grading reports are the most highly valued in the industry. An ideal cut can also make a diamond appear large whereas a poor deep cut can increase the carat.
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It is recommended that you get the best cut possible.
. Like the color scale GIAs clarity grading system developed because jewelers were using terms that could be. Diamond color is all about what you cant see. Established in 1931 the non-profit Gemological Institute of America GIA is the worlds foremost authority on diamonds colored stones and pearls.
Whereas fancy colored diamonds are the vivid shades like pink green and yellow. The Rapaport Report displays a price for a combination of diamond color and clarity with a weight range of 001 to 599. The GIA Diamond Clarity Scale has 6 categories some of which are divided for a total of 11 specific grades.
For a long time the Star of the South was considered to be by far the largest diamond discovered by any woman anywhere until the Incomparable Diamond was discovered in the 1980s. The GIA Gemological Institute of America has standardized diamond color grading on a D-to-Z scale. GIAs color-grading scale for diamonds is the industry standard.
How did the GIA Clarity Scale come to be. Also each loose diamond is accompanied by a grading report from either GIA AGSL or GemEx independent diamond grading labs with stringent grading and certification guidelines. Similarly to IGI International Gemological Institute who also uses a D-to-Z scale but for lab grown diamonds.
Between D and Z the normal color range there are numerous diamond color grades ranging from near colorless to slightly yellow. White blue white AAAA for example. The Gemological Institute of AmericaGIA says the following regarding diamond color and rarity Compared to fancy yellows and browns diamonds with a noticeable hint of any other hue are considerably more rare.
Even in light tones and weak saturation as long as they show color in the face-up position they qualify as fancy colors. So a colorless diamond rates higher on the color grading scale than a diamond that is light yellow. Diamonds are valued by how closely they approach colorlessness the less color the higher their value.
All diamonds on this letter scale are considered. A diamonds value is often affected by the rarity of one or more of the 4Cs. Diamonds are graded on a GIA Color scale from D to Z while moissanites are not categorized by.
Impurities in natural diamonds are due to the presence of natural minerals and oxides. Although moissanites and diamonds can look similar in color when seen from a distance or in poor lighting there are significant color differences between them that are more obvious when the two are viewed up close. This laboratory is known for consistency and unbiased diamond grading systems.
The clarity scale grades the diamond based on the color. Colorless diamonds are scarcemost diamonds have tints of yellow or brown. Official GIA Color Scale.
The exception to this is fancy color diamonds such as pinks and blues which lie outside this color range. Pre-selected for exceptional quality the cut color and clarity of our loose diamonds are evaluated based on a standardized grading scale. Flawless FL No inclusions and no blemishes visible under 10x magnification.
The GIA clarity scale spans from Flawless FL to included I having internally flawless IF very very slightly included VVS very slightly included VS and slightly included SI in between. Diamond color is measured using the Gemological Institute of America or GIA color scale which goes from D colorless all the way to Z light yellow or brown in color. GIA developed the definitive diamond color scale or chart in the early 1950s a time when there were a lot of different and subjective terms in the marketplace for describing a diamonds color.
With a perfect cut you can afford to scale down the other Cs. The diamond has a color grade of Fancy Light Pinkish-Brown. The diamond was cut into a cushion shaped gem weighing 12848 carats 25696 g.
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