Diamond Certificate
DIAMOND
CERTIFICATE
A diamond certificate is issued after an unbiased professional examination to authenticate a diamond's attributes
Certificates are essential in determining or testifying a diamond value.
At Michael Trio, our diamonds are graded
by Gemological Institute of America(GIA)
GEMOLOGICAL INSTITUTE OF AMERICA
THE GIA, FOUNDED 1931
The Gemological Institute of America (GIA) is an independent, non-profit organization widely considered as the world's foremost authority in gemology.
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HOW TO READ A GIA DIAMOND GRADING REPORT
1 |
GIA Diamond Grading Report
This is where you can find GIA laser inscribed identification number, as well as the diamond's shape and cutting style (round brilliant or emerald step cut, for example) and its dimensions in millimeters.
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2 |
Grading Results
A breakdown of the diamonds 4Cs: Cut, Color, Clarity and Carat **Currently, GIA only provides a cut grade for round brilliant diamonds.
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3 |
Additional Grading Information
Information on polish, symmetry, fluorescence, and any inscriptions or additional comments.
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4 |
Proportion Diagram
A map of the diamond's actual proportions that includes depth, table, girdle, and culet.
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5 |
Clarity Characteristics
This is where you'll find the diamond's clarity plot, and approximate map of the number, size,type,
and position of its grade-setting inclusions as viewed under a microscope **Usually, the GIA report will only include a clarity plot for diamonds 1 carat or over. |