Gia diamond grading reports are not issued for laboratory grown diamonds diamond simulants mounted diamonds or those that have undergone unstable treatments such as fracture filling or coating.
Gia diamond grading chart price.
Diamond 4cs and gemstone information.
Gia developed the definitive diamond color scale or.
This short video explains the gia clarity scale and how gia classifies diamonds with a clarity grade ranging from flawless to i 3 by using a 10x magnification loupe and a microscope to see and plot the diamond s inclusions.
The wholesale and retail prices chart below is petra gems best average estimates based on data of leading diamond suppliers and.
In this post you can learn about and download the official gia color scale work with an interactive diamond color chart to see the relationship between grades and colors and watch a useful gia diamond color grading video to see how gia evaluates diamond color.
Gia reports represent the highest standard of reliability consistency and integrity.
Diamonds diamond grading gem identification jewelry essentials.
Diamond grading reports are issued by independent gemological laboratories.
Many inclusions and blemishes are too tiny to be seen by anyone other than a trained diamond grader.
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The second section of this article will explain how diamond prices are determined and calculated.
A list of fees by service in 7 currencies.
With report check you can quickly and conveniently confirm that the information on your report matches what is archived in the gia report database.
Official gia color scale.
This price index for 1 carat 1 5 carat 2 carat and 3 carat diamonds will be updated periodically to reflect changing retail and wholesale diamond prices.
Gia diamond grading scales.
The gia laboratory issues diamond grading reports for loose natural diamonds in the d to z color range that weigh 0 15 carats or more.
While there are several grading laboratories washington diamond sells diamonds that are graded only by the gemological institute of america gia gia edu.
And now gia report check is available for all gia reports providing you with an additional level of assurance.