IGI has the largest number of gem laboratories in the world and is the most reliable name for diamond, colored gems and jewelry identification. Only when the gem has the certificate of quality can you buy it with confidence.

When inquiring about the International Gemological Institute, you need to enter "certificate number" and "carat weight" when inquiring about 360 Jewellery Guard. If it is your first time to inquire about the certificate of the International Gemological Institute and you are not sure how to inquire, you can refer to the following certificate samples to find out how to inquire:

There are many reasons why the contents of the certificate cannot be found. Please check them one by one:

Information input error

Please check whether the certificate number and carat weight entered are correct, and then try to inquire again.

The queried certificate is out of range.

Old certificate: IGI can only query the appraisal certificate after June 2004;

New certificate: If you are inquiring about a certificate that has just been issued recently, please try again in a few days. It will take some time for the new certificate to be uploaded to the database.

If the problem cannot be solved after re-inquiry, it is recommended that you contact IGI staff for telephone inquiry.

Contact number and address of International Gemological Institute

Address: schupstraat 120 18 Antwerp, Belgium.