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Understanding Diamond Certification

GIA, otherwise known as the Gemological Institute of America, was established in 1931 and remains the world’s premier authority on diamonds, pearls and color stones. Its dedication to education and research in the gemology field is second to none. Through the development and circulation of its guidelines, the GIA endeavors to protect all purchasers of stones through education, lab services, research, grading analysis and instrumentation required to accurately and objectively determine the quality of all diamonds and stones.

GIA Diamond Grading Report also includes a plotting diagram that portrays the diamond’s individual clarity characteristics, such as inclusions. Additionally, GIA is NOT affiliated with any commercial enterprise so the public is ensured the world’s most impartial and accurate analysis of a loose diamond. This report is considered a critical component to potential buyers in guaranteeing that a diamond is represented accurately.

The GIA Diamond Grading Report provides a full evaluation of a loose diamond and includes the following data: report number, date of report, laser inscription registry, diamond shape, cutting style, color origin, color hue, color distribution, clarity, plotting diagram, polish, finish, fluorescence, symmetry and a key to GIA symbols. Below is a sample of a GIA Diamond Grading Report.

GIA Diamond Report Sample

The GIA report number which is inscribed in the diamond provides ironclad, everlasting proof that the diamond purchased is the diamond chronicled in the GIA Diamond Grading Report. This provides security at the time of purchasing a diamond and is a major selling point when the buyer wants to sell that same diamond in the future. The GIA Report supports a buyer's decision to invest in a diamond with complete confidence and peace of mind.

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