The World Most Reliable Diamond Certification

Gemological Institute of America (GIA) is the leading gemological laboratory in the world, it is the industry’s most trusted services. 




The GIA Diamond Grading Report includes an assessment of a diamond’s 4Cs – colour, clarity, cut, and carat weight – along with a plotted diagram of its clarity characteristics and a graphic representation of the diamond’s proportions. For standard round brilliant cut diamonds falling in the D-to-Z color range, the report also includes a GIA Cut grade.


GIA Report Check is available for all GIA reports, providing you with an additional level of assurance. With Report Check, you can quickly and conveniently confirm that the information on your report matches what is archived in the GIA report database. Report can be checked at

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