Analysis & Grading Synthetic Diamond Reports & Services Details

SYNTHETIC DIAMOND REPORTS

GIA uses the same color and clarity boundaries for synthetic diamond reports as the grading system for natural diamonds, but with fewer quality grade categories. Multiple security features on GIA synthetic diamond grading reports ensure their authenticity. For added disclosure and identification, synthetic diamond reports look distinctly different from reports for natural diamonds, the synthetic diamond’s girdle is laser inscribed with the term "Laboratory Grown" and its GIA report number.
 

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Synthetic Diamond Grading Report

The GIA Synthetic Diamond Grading Report offers the same information as the GIA Diamond Grading Report for natural D-to-Z diamonds, using a more general description of color and clarity.

Submission Criteria

  • 0.15 carats and up

  • Loose

  • D-to-Z synthetic diamonds

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Synthetic Colored Diamond Grading Report

The GIA Synthetic Colored Diamond Grading Report offers the same information as the GIA Colored Diamond Grading report issued for natural colored diamonds, using a more general description of color and clarity.

Submission Criteria

  • 0.15 carats and up

  • Loose

  • Colored synthetic diamonds

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Synthetic Colored Diamond Report

The GIA Synthetic Colored Diamond Report describes a colored synthetic diamond's color grade.

Submission Criteria

  • Any carat weight

  • Loose or mounted

  • Colored synthetic diamonds

Add-On Services

GIA Add-On Services give you further information or security for your synthetic diamond. Must accompany a report service or follow-up service. Certain services can be expedited for an additional fee; exceptions will apply.
 

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Laser Inscription

Personalize your synthetic diamond with any text, symbols, or logos. All synthetic diamond reports include laser inscription of the unique GIA report number and the phrase “Laboratory Grown” for easy identification.

Submission Criteria

  • Loose

  • Synthetic diamond

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Digital Photograph

A digital photograph of your synthetic colored diamond can be included on your GIA Synthetic Colored Diamond Report or Synthetic Colored Diamond Grading Report.

Submission Criteria

  • Loose

  • Synthetic colored diamonds

Follow-Up Services

Verify, re-evaluate or update results from your original GIA Report through GIA Follow-Up Services.
 

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Recheck And Final Observation

Request a re-assessment of your synthetic diamond’s color, cut, clarity, color origin, polish, symmetry, measurements or fluorescence results and a new report will be issued.

Submission Criteria

  • Loose

  • Colored or D-to-Z synthetic diamonds


Service Restrictions
Must be requested during the time of service before the item is returned. If requested within sixty days after the item is returned, the original report must be submitted and an Update service must be performed prior to the Recheck or Final Observation.

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Update

Submit your synthetic diamond to be re-graded based on its current conditions. Update service can accompany Add-On services such as Sealing or Inscription where a re-evaluation of the synthetic diamond is required prior to performing the Add-On service.

Submission Criteria

  • Loose

  • Colored or D-to-Z synthetic diamonds

  • Must be submitted along with its original GIA report

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Re-Examination

If your GIA-graded synthetic diamond has been re-cut, submit your synthetic diamond for a Re-Examination. The synthetic diamond will go through the grading process and a new report will be issued.

Submission Criteria

  • Loose

  • Colored or D-to-Z synthetic diamonds

  • Must be submitted along with its original GIA report

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Report Verification

Confirm that your GIA report matches your synthetic diamond. Verification results will be returned in letter format attached to your original report.

Submission Criteria

  • Loose or mounted

  • Colored or D-to-Z synthetic diamonds

  • Must be submitted along with its original GIA report

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