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Diamonds grading
and certification system.
A diamond certificate

DiamondS Grading And certification SYSTEMS

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A diamond certificate is a document containing the characteristics about the diamond that will make up its value.
Any owner of a diamond can submit it to a laboratory for certification. The most important service these laboratories provide is an impartial examination and grading of the diamond.

Diamonds grading

Diamonds
Loose diamonds
Diamonds shape
Diamonds cut
Diamonds clarity
Diamonds color
Diamonds carat
Diamond buying
Precious metals
Jewelry fraud
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GIA - the Gemological Institute of America

The GIA was established in 1931 as a nonprofit educational resource for the gem and jewelry industry. The GIA is committed to helping both the industry and the consumer public in understanding the dynamic world of gemology through its vast network of educational programs and services.

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    By providing jewelers with knowledge tools and training to better serve consumers, the GIA strives to promote the integrity of the industry and secure the public's trust
    In the 1950s, the GIA developed the first internationally accepted Diamond Grading System. This system provides unbiased opinions on the quality of polished diamonds by applying uniform criteria to their grading. The GIA also introduced the first diamond grading report that utilizes this system in setting the standard for diamond quality documentation around the world.
   To maintain its position as an unbiased arbiter of standards in diamond grading and gem identification, the GIA refrains from any involvement in the buying, selling or appraising gems and jewelry. Throughout its 67-year history, the Institute has maintained a strict ethics policy and holds itself to this code which has protected and enhanced its reputation throughout the decades. In effect, the GIA cannot and does not compete with the gem and jewelry trade; accordingly, the GIA is able to fulfill its nonprofit mission and effectively serve the public at large.

E.G.L-European Gemological Laboratories

The Largest Independent Network of Gemological Institutes in the World

DIAMONDS GEMOLOGY The lab's mission is to take the guesswork out of buying diamonds or a precious stone. EGL clients are professional wholesalers, retailers, manufactures and craftsmen in the diamond industry.

EGL does not sell diamonds or gems nor do they evaluate and are totally independent of any diamond sales organization.
The diamond certificate records all the relevant information pertaining to the diamond, including carat weight, color grade, clarity grade, measurements and physical properties as well as plotting diagrams.

Diamonds grading and certification system. A diamond certificate

Diamonds grading
and certification system.
A diamond certificate