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 HOW GIA GRADES YOUR DIAMOND
Identification reports professionally document the results of a full examination of a gemstone. The results detailed will identify the gemstone examined giving such identifying characteristics as; color, transparency, shape, cut, dimensions, weight and a color photo. The full report will also state whether it is natural or synthetic and if the gemstone has been treated to enhance its appearance by an identifiable treatment. It will also be noted if it is a simulant with no known natural counterpart, or if it has been assembled from two or more separate components.
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DIAMOND REPORT |
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WONDER OF NATURE
There is no other gemstone quite like a diamond. It is found in the most remote places on earth, and the fact that it forms at all is something of a miracle. It takes about one ton of rock to recover less than half a carat of rough, making diamond one of the rarest and most desired gemstones in the world.
A diamond is a testament of endurance and strength – and not surprisingly, the ultimate symbol of love. |
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TEASURE OF TIME
Every diamond is unique. Each reflects the story of its arduous journey from deep inside the earth to a cherished object of adornment. Yet all diamonds share certain features that allow us to compare and evaluate them. These features are called the 4Cs. |
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The GIA Clarity Scale includes eleven clarity grades ranging from Flawless to I3.
Because diamonds form under tremendous heat and pressure, it is extremely rare to find a diamond that lacks any internal and external characteristics. These characteristics are a by product of its formation and help gemologists separate natural diamonds from synthetics and simulants, and identify individual stones.
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The GIA Cut Scale ranges from Excellent to Poor. GIA provides a cut quality grade for standard round brilliant diamonds that fall in the GIA D-to-Z color range.
A polished diamond’s beauty lies in its complex relationship with light: how light strikes the surface, how much enters the diamond, and how, and in what form light returns to your eyes.
The result is a magnificent display of three attributes.
Brightness is the combination of all white light reflecting from the surface and interior of a diamond.
Fire describes the “flares” of color emitted from a diamond.
Scintillation describes the flashes of light you see when the diamond, the light, or the observer moves.
A polished diamond’s proportions affect its light performance, which in turn affects its beauty and overall appeal. Diamonds with fine proportions, symmetry, and polish optimize their interaction with light, and have increased brightness, fire, and scintillation.
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One carat equals 200 milligrams in weight. For diamonds under one carat, each carat is divided into 100 points – similar to pennies in a dollar. 0.75 ct. = 75 points, ? ct. = 50 points.
The result is a magnificent display of three attributes.
Brightness is the combination of all white light reflecting from the surface and interior of a diamond.
BEAUTY AND ITS BEHOLDER The 4Cs provide a way to objectively compare and evaluate diamonds, but numbers alone can’t describe a diamond’s mysterious and captivating beauty – for that, you’ll have to visit your local jeweler to see one for yourself.
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