How to Determine Whether a GIA Diamond Certification Is Legit

GIA Diamond Certification

Some people think that a diamond’s value is subjective. But there is a governing body that provides its real value and which gives buyers and sellers the right information for a healthy diamond economy. In this blog, you will know about How to Determine Whether a GIA Diamond Certification Is Legit.

That body is the Gemological Institute of America Inc. (GIA). This is a non-profit organization that provides the right information needed to buy and sell diamonds and other precious gems at a fair and standard price.

GIA provides certificates to diamonds that explains its true value. And to get this certification, the consumer can send the diamond to them via accredited retailers. They will, in turn, package the diamond and insure it and then send it to GIA.

Once they have sent the gem back, it will have a GIA grading report. This is to protect the wedding rings the diamond is to be put on.

Here are some indications that the report check you received is authentic:


  • Check the GIA Certification Number


This is a unique identification mark provided by the GIA to all the diamonds it receives. No two diamonds will have the same number.

It also proves the authenticity of the diamond. For additional security, they laser engraved this number to the side or girdle of the diamond itself. They also added a feature on their website where you can authenticate the number yourself.


  • Dimensions, Shape, and Cutting Style


The report will contain this information in detail. To verify the report, check the diamond for all the information provided.

Aside from authenticating the diamond, it will be easy to put on high-end engagement rings because you already have a guide of its dimensions.


  • It has also the following in detail:


  • Color Origin. If the diamond is natural or treated.
  • Color Grade. This includes the hue with a color grade.
  • Color Distribution. Whether it has an even or uneven color.
  • Clarity Guide according to the GIA Clarity Scale.
  • Finish or the quality of surface condition as well as information about the facets of the gem.
  • Polish. This refers to the overall condition of the surface.
  • Symmetry. The exactness of the diamond’s outline as well as further information about the facets of the diamond.
  • Fluorescence. This refers to the glow under a UV light, its strength, and color of the diamond.
  • Plotting Diagram
  • Key to Symbols, GIA Clarity Scale, GIA Colored Diamond Scale, Proportion Diagram, and Security Features of the report to ensure authenticity. These include hologram, a security screen, and microprint lines that prevent them from being forged or duplicated.

The GIA has been established since 1931 and has had a lot of experience grading and sending certificates for diamonds. If the GIA certification of the diamond you’re looking to buy doesn’t contain at least one of these, then you may have to ask the seller for the reason.

All in all, in order to be safe on your purchase or in selling a pure diamond Vancouver, make sure that it is properly certified and graded for everyone to be happy in the transaction.