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How to Read the GIA Laser Inscription on Your Diamond?

Published in Diamond Certification 3 mins read

Reading the GIA laser inscription on your diamond primarily involves knowing where to look and using appropriate magnification to see the tiny, unique identification number.

The GIA laser inscription is a microscopic number, typically corresponding to the diamond's unique GIA grading report, engraved onto the diamond itself. This inscription serves as a vital link between the physical stone and its official documentation.

Where to Find the Inscription

According to the reference provided, the GIA report number appears microscopically engraved on the outer edge (girdle) of the diamond.

  • Location: The girdle is the narrow section that forms the circumference of the diamond, separating the top (crown) from the bottom (pavilion). It's the widest part of the stone.

How to See and Read It

Since the inscription is microscopically engraved, you cannot typically see it with the naked eye. You will need magnification to view it clearly.

Tools Needed

To read the inscription, you generally require magnification power higher than what a standard jeweler's loupe provides for general viewing.

  • Jeweler's Loupe: A high-power loupe (10x or higher magnification is often sufficient, but higher power like 20x can be easier) can be used.
  • Gemological Microscope: This is the ideal tool for clearly viewing the inscription, offering variable magnification and stable viewing.

Step-by-Step Process

  1. Secure the Diamond: Hold the diamond securely, usually with tweezers designed for handling gemstones.
  2. Locate the Girdle: Identify the outer edge or girdle of the diamond.
  3. Apply Magnification: Bring the magnification tool (loupe or microscope) close to the diamond's girdle.
  4. Scan the Girdle: Slowly rotate the diamond while looking through the magnification tool. The inscription will be very small.
  5. Identify the Number: Look for a series of numbers, often preceded by "GIA". This is the report number. It may be located anywhere along the circumference of the girdle.

Verifying Your Diamond

Once you have successfully read the GIA laser inscription number, you can use it to verify the diamond's identity and access its grading report.

The reference states: "This gives buyers a unique way of linking their GIA report to the physical diamond. Enter this number into GIA's website, and hey-presto — you have an electronic copy of your diamond grading report."

  • Online Verification: Go to the official GIA website and locate their Report Check service.
  • Enter the Number: Input the inscription number you read from the diamond's girdle into the search field.
  • Access the Report: The system will retrieve the digital version of the corresponding GIA grading report, allowing you to confirm that the physical diamond matches the documentation.

By understanding where the inscription is located, using the right tools for magnification, and knowing how to use the number for online verification, you can effectively read and utilize the GIA laser inscription on your diamond.