diamond color scale gia
Between D and Z the normal color range there are numerous diamond color grades ranging from near colorless to slightly yellow. Official GIA Color Scale.
Gia Developed The Definitive Diamond Color Scale Or Chart In The Early 1950s A Time When There Were A Lot Diamond Color Scale Diamond Color Chart Color Scale
The exception to this is fancy color diamonds such as pinks and blues which lie outside this color range.
. Similarly to IGI International Gemological Institute who also uses a D-to-Z scale but for lab grown diamonds. White blue white AAAA for example. Impurities in natural diamonds are due to the presence of natural minerals and oxides.
Diamonds are valued by how closely they approach colorlessness the less color the higher their value. Diamonds are graded on a GIA Color scale from D to Z while moissanites are not categorized by. Diamonds that are accompanied by GIA grading reports are the most highly valued in the industry.
The GIA Diamond Clarity Scale has 6 categories some of which are divided for a total of 11 specific grades. 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. 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.
The clarity scale grades the diamond based on the color. Often described by gem aficionados as emerald by day ruby by night alexandrite is the very rare color-change variety of the mineral chrysoberyl. Like the color scale GIAs clarity grading system developed because jewelers were using terms that could be.
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. Established in 1931 the non-profit Gemological Institute of America GIA is the worlds foremost authority on diamonds colored stones and pearls. Originally discovered in Russias Ural Mountains in the 1830s its now found in Sri Lanka East Africa and Brazil but fine material is exceptionally rare and valuable.
Diamond color is all about what you cant see. How did the GIA Clarity Scale come to be. Even in light tones and weak saturation as long as they show color in the face-up position they qualify as fancy colors.
GIAs color-grading scale for diamonds is the industry standard. All diamonds on this letter scale are considered. The GIA Gemological Institute of America has standardized diamond color grading on a D-to-Z scale.
This laboratory is known for consistency and unbiased diamond grading systems. Whereas fancy colored diamonds are the vivid shades like pink green and yellow. Flawless FL No inclusions and no blemishes visible under 10x magnification.
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. Pre-selected for exceptional quality the cut color and clarity of our loose diamonds are evaluated based on a standardized grading scale. 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.
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.
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