In The Know: Diamond Certificates!

We all know how exciting it is to spend your hard-earned cash (or someone else’s!) on something beautiful and special. And what better to spend it on than diamonds, the original girl’s best friend? However, as with anything, it is important to know exactly what you are buying; and this is where diamond certificates come in handy. Used to confirm a stone’s identity, value and technical characteristics, these certificates are an important part of buying a diamond.

Before a certificate can be issued, the diamond must be professionally examined, and its attributes must be authenticated. The exact measurements are recorded, as well as the following…

Carat weight

Colour

Clarity

Cut grades are also included in the certificates of Round Brilliant diamonds.

Professionals in the diamond industry generally accept that the Gemological Institute of America (GIA) sets the standard when it comes to diamond grading; although there are five leading certification organisations. In addition to the GIA, diamonds can be certified by the American Gem Society (AGS), the Diamong High Council – Hoge Raad Diamante (HRD), the International Gemological Institute (IGI) and European Gemological Laboratory (EGL). Here at Seventy Seven Diamonds, at least three-quarters of our 200,000 diamonds have been graded by the GIA.

There have been several developments in diamond certification, with the five leading organisations taking steps to further protect the consumer. Laser Inscribed Validation, for example, involves inscribing the diamond’s girdle. The inscription can be easily verified with a magnification loop, ensuring confidence that the diamond purchased is the diamond received. Figures 1 and 2 (shown below) are examples of diamonds which have been inscribed by GIA and EGL.

GIA Certificate and Laser Inscription

EGL Certificate and Laser Inscription

In order to be certain of a diamond’s quality, you should always insist on a certificate. And, to eliminate the risk of being misled and disappointed, ensure that your diamond is graded by one of the five internationally registered certificates.

Always buy a certified diamond!

If you wish to learn more about diamond certification, check out our education pages here

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