Analysis & Grading Diamond Reports & Services Details

Diamond Reports

Know with confidence that your D-to-Z diamond is natural with GIA diamond grading reports. Included in the reports is a full 4Cs assessment – color, cut, clarity and carat weight – along with polish, symmetry and fluorescence. For standard round brilliant cut diamonds, the reports come with a GIA Cut grade. Multiple security features on GIA diamond grading reports ensure their authenticity. Laser inscription available and included with select services.


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Diamond Grading Report

The GIA Diamond Grading Report includes an assessment of the 4Cs with a plotted diagram of its clarity characteristics and a graphic representation of the diamond’s proportions. Laser inscription is not included but can be requested at the time of servicing.

Submission Criteria

  • 0.15 carats and up

  • Loose

  • D-to-Z color

  • Can be treated color

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Diamond Dossier®

The GIA Diamond Dossier® includes an assessment of the 4Cs plus a microscopic laser inscription of the GIA report number for easy identification.

Submission Criteria

  • 0.15-1.99 carats

  • Loose

  • D-to-Z untreated color
     

Service Restrictions
Final Observation not available for Dossier service.

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DIAMOND eREPORT

The GIA Diamond eReport is delivered in a digital format and includes an assessment of the 4Cs and a high resolution image of the diamond. Laser inscription is not included but can be requested at the time of servicing.

Submission Criteria

  • 0.15-2.99 carats

  • Loose

  • D-to-Z untreated color
     

Service Restrictions
Final Observation not available for eReport service. Not available in Johannesburg and Tokyo locations.


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Diamond Focus Report

The GIA Diamond Focus™ Report includes an assessment of the 4Cs and a microscopic laser inscription of the GIA report number for easy identification. Results are delivered in a digital format and are available on GIA Report Check along with a downloadable PDF of the report.

Submission Criteria

  • 0.15-0.39 carats

  • Loose

  • Round brilliant cut

  • D-to-Z untreated color

Items must be submitted through web services or My Laboratory using intake import files. Custom inscription service requests must be made at the time of submission.

Service Restrictions
Recheck service only available at the time of original servicing using the Auto-Response program. Update, Re-Examination and Conversion service to Focus Report not available. Conversion service from Diamond Focus Report to Diamond Grading or Diamond Dossier cannot be requested while the item is in-house. Contact your Client Services Representative for more information.

ADD-ON SERVICES

GIA Add-On Services give you further information or security for your 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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Same Day Service

Some services may be completed by 4:00 p.m. on the same day the diamond is received, provided the diamond is received by 10:00 a.m. 


Service Restrictions
Same day services will vary by intake location, so please check availability with your local Client Services Representative.

 

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Laser Inscription

Personalize, brand or easily identify your diamond. Microscopically inscribe a personal message, symbol, logo, or your diamond’s unique GIA report number on its girdle.


Submission Criteria

  • Loose

  • Colored and D-to-Z diamonds


Service Restrictions
Not available with Report Verification services. 

 

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Sealing

Seal your diamond and its key grading details in a secure, tamper-resistant package at the completion of the grading process.


Submission Criteria

  • Loose

  • Colored or D-to-Z diamonds.


Service Restrictions
Depending on the dimensions of the diamond, it may not be possible to seal items over 8.00 carats.

 

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Diamond Color Treatment Letter

If the Color Origin stated on your GIA report is "Treated Color", a Diamond Color Treatment letter can be requested to provide the specific color treatment method.

Submission Criteria
Letter can be requested without resubmitting the diamond.


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Damage Assessment

The Damage Assessment service is offered as a supplement to GIA diamond reports to determine if a diamond has been damaged since its last polishing. Results of the damage assessment are delivered in letter format.


Submission Criteria

  • Loose or mounted

  • Colored or D-to-Z diamonds

 

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Diamond Type Analysis

GIA will determine your diamond’s type (Ia, Ib, IIa, or IIb) and contact you with the results. You may also request a letter and photograph of the diamond with your analysis for an additional charge.

Submission Criteria

  • Loose

  • Colored or D-to-Z diamonds


Follow-Up Services

Verify, re-evaluate or update results from your original GIA Report through GIA Follow-Up Services. For Diamond Dossier, the diamond must contain the original GIA report number laser inscription.
 

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Recheck And Final Observation

Request a re-assessment of your 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 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. Final Observation service only available for Diamond Grading Report. Recheck service for Diamond Focus Report only available at the time of original servicing using the Auto-Response program.

 


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Update

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

Submission Criteria

  • Loose

  • Colored or D-to-Z diamonds

  • Diamond must be submitted along with its original GIA report, if available
     

Service Restrictions
If an item cannot be matched to the original GIA report, it will be resubmitted for grading, a new report will be issued and full grading report fees will be charged. Not available for Diamond Focus Report.

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Re-Examination

If your GIA-graded diamond has been re-cut, submit your diamond for a Re-Examination. The diamond will go through the grading process and a new report will be issued. The old report will not be returned. 

Submission Criteria

  • Loose

  • Colored or D-to-Z diamonds

Service Restrictions
If an item cannot be matched to the original GIA report, it will be resubmitted for grading, a new report will be issued and full grading report fees will be charged.

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Report Conversion

Convert your current GIA report to a different report type. The diamond will go through the grading process, and a new report will be issued. The old report will not be returned. 

Submission Criteria

  • Loose

  • Colored or D-to-Z diamonds

  • Diamond must be submitted along with its original GIA report, if available


Service Restrictions
Conversion service to Focus Report not available. Conversion service from Focus Report to Diamond Grading or Dossier cannot be requested while the item is in-house.


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Report Verification

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

Submission Criteria

  • Loose or mounted

  • Colored or D-to-Z diamonds

  • Diamond must be submitted along with its original GIA report
     

Service Restrictions
Laser Inscription service not available with Report Verification.


Specialty Services

GIA Specialty Services offer further analysis and information on your noteworthy diamonds. Services are customized with in-depth information specific to your diamond. Various levels of service are available depending on your needs. 
 

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Monograph

The GIA Monograph is a customized gemological report designed to showcase and celebrate exceptional diamonds. Each monograph comes complete with photographs, detailed grading and identification information, spectroscopic analysis, historical background and other supporting content. The monograph tells the complete story of the diamond and is presented within a handmade box inscribed with the diamond’s name. Included is a USB drive with the digital copy of the diamond’s story.


Submission Criteria

  • Only available for qualifying diamonds

  • Must accompany a Report Service

Please call your Client Services Representative for details or contact us.

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Portrait Report

Packaged in a hard-bound portfolio, the GIA Portrait Report includes a high-resolution photograph of the diamond, detailed background information unique to the diamond class, and a detailed description of grading and test results. 
 

Submission Criteria

  • Must accompany a Report Service

Please call your Client Services Representative for details or contact us.

 



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Notable Letter

The Notable Letter accompanies a GIA report and is one to two pages, detailing the attributes of especially noteworthy or unique diamonds. The letter includes a face-up photo, a micro photo, and comments on the gemological properties such as color, size, and clarity that make the gemstone unique. 
 

Submission Criteria

  • Only available for qualifying diamonds

  • Must accompany a Report Service

Please call your Client Services Representative for details or contact us.

 



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Mastercolor Comparison

Diamonds are submitted for color analysis and are assembled into a master diamond set for D-to-Z color grading. Each diamond submitted must meet stringent criteria for shape, weight, proportions, conditions, and more to be included as part of a set.  The set is issued a Master Diamond report listing the diamonds in the set and their color grade. 
 

Submission Criteria

  • Minimum two diamonds per set

  • Please contact your Client Services Representative for important information before submitting your items for this service

 

 


Batch Services

GIA Batch Services utilize GIA-developed technology to analyze and sort diamonds based on varying test types.  Minimum submission quantities vary by service. 
 

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Melee Analysis Service

Separates natural, untreated diamonds from simulants, synthetic and HPHT treated natural diamonds, and sorts the screened diamonds by color range. Clients may specify a size range for their submission. 
 

Submission Criteria

  • Round D-to-Z diamonds

  • 0.9 to 4.0 mm diameter (approximately 0.005 to about 0.25 carats)

  • 500 diamond minimum per submission

Diamonds that fall outside of the service criteria will be charged a standard fee. 

 
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Quality Assurance

Identifies and provides results based on specified test criteria for smaller diamonds. Results are presented in a table format. Grading is not included.


Available Tests

  • Clarity Treatment

  • Diamond Type

  • Gem Material

  • Natural vs. Synthetic and Color Treatment

  • Surface Treatment


Submission Criteria

  • Diamonds 0.20 carats or less

  • Loose or mounted

  • Up to two test categories per submission

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Diamond Sorting

Provides Diamond Dossier or Diamond Grading reports on only those items which fall within certain D-to-Z color, clarity, polish and symmetry parameters as specified and are charged accordingly. Grading information is not provided on diamonds not meeting specified criteria and a nominal fee is applied.


Submission Criteria

  • Loose

  • D-to-Z diamonds

  • 25 diamond minimum per submission

  • Diamonds must be individually parceled

  • Prior approval by submitting laboratory required


Service Restrictions
Only two of the four parameters can be requested per item. Not available in Mumbai, Hong Kong, Israel or New York laboratory locations.

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