MiaDonna offers grading reports to our customers from the world-renowned Global Gemological Laboratory, which is widely recognized as one of the world's premier scientific diamond grading laboratories. MiaDonna is the first simulated diamond company in history to offer its customers a report from a diamond grading company.

All MiaDonna’s diamond infused simulants come with a Certified Authentification card from the GGL stating the make up of our stones. You also have the option to have your finished jewelry sent to the GGL to be rated and issued an official grading report. This report will grade your MiaDonna Diamond Simulant using the same qualifiers used to grade earth mined diamonds based of the stones cut, carat, color and clarity.

Read more on MiaDonna's third party Certified Authentification card.

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