Analysis & Grading

Pearl Reports & Services Details

Pearl Reports

GIA Pearl Reports provide information on the identity of pearls (natural or cultured), the mollusk (when determinable) they originated from, the environment they formed within (saltwater or freshwater), and state whether pearls have undergone any detectable treatments.  Multiple security features on GIA pearl reports ensure their authenticity. The reports include a digital image of the pearl(s). 
 

Pearl Identification Report

The GIA Pearl Identification Report details the quantity, weight, size, shape, color, overtone, identity (natural or cultured,), mollusk, when determinable, environment (saltwater or freshwater), and any detectable treatments.

Submission Criteria

  • Loose, mounted or strung pearls

If additional testing is required for your submission, you will be contacted by your Client Services Representative.

Pearl Classification Report

The GIA Pearl Classification Report includes all Identification Report information as well as classifications for luster, surface, and matching (if applicable).

Submission Criteria

  • Loose, mounted, or strung untreated nacreous pearls

If additional testing is required for your submission, you will be contacted by your Client Services Representative.

Add-On Services

GIA Add-On Services give you further information on your pearl. Must accompany a Report Service or Follow-Up Service. Certain services can be expedited for an additional fee; exceptions will apply.
 

Express Service

Expedite the service time of select pearl services. Turnaround time is 48 hours (excluding weekends and holidays).

Service Restrictions
By appointment only. Contact your Client Services Representative for details. Certain submissions may require a longer turnaround service time.

Nacre Thickness

A comment regarding the calculation of average nacre thickness will be shown in the comments section of the Pearl Identification or Classification Report.

Submission Criteria

  • Bead cultured pearls only

Follow-Up Services

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

Report Conversion

Convert your current GIA pearl report from an Identification report to a Classification report or vice versa. The pearl(s) will be analyzed, and a new report will be issued. The old report will not be returned. 

Submission Criteria

  • Pearl(s) and the original report must be submitted within 60 days of the original report date. After 60 days, must be resubmitted under pearl report service.


Service Restrictions
Pearls must be in the same order. Only applicable for certain types of pearls.

Update

To confirm your pearl’s identification and/or classification results, resubmit the pearl along with its original GIA report. The pearl will go through the identification process and a new report will be issued. The old report will not be returned. Update service can accompany Add-On services where a re-evaluation of the pearl is required prior to performing the Add-On service.

Submission Criteria

  • Loose or mounted

  • Pearls must be in the same order

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

Specialty Services

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

Monograph

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

Submission Criteria

  • Only available for qualifying pearls

  • Must accompany a Report Service

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

Portrait Report

Packaged in a hard-bound portfolio, the GIA Portrait Report sets out all the data that supports the conclusions reached in a Pearl Identification or Pearl Classification Report.

Submission Criteria

  • Must accompany a Report Service

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

Notable Letter

The Notable Letter accompanies a GIA report and details the attributes of especially noteworthy or unique pearls. The letter includes a photo and comments on the gemological properties such as color, size, and features such as the producing mollusk (if possible) that make the pearl(s) unique.

Submission Criteria

  • Only available for qualifying pearls

  • Must accompany a Report Service

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

On-Site Consultancy

GIA gemologists will visit your business or home to provide an on-site gemological consultation. The gemological advice given may or may not involve the examination of actual pearls. Seven days advance notice required. A written report on the outcome of the consultation will be available within one week of the visit.

Submission Criteria

  • Performed at GIA’s discretion

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

Batch Services

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

Pearl Sorting

Evaluates pearls and sorts them based on pre-specified test criteria. Pearls that pass receive a Pearl Identification Report or Pearl Classification Report and are charged accordingly. Pearls that do not pass the test criteria are returned without a report and charged a nominal fee.
 

Available Tests

Included:

  • Identification (natural pearl, bead cultured pearl, etc.)

Optional:

  • Environment (saltwater or freshwater)
     

Submission Criteria

  • Loose, unmounted pearls only

 
Quality Assurance

The Quality Assurance service for pearls offers tests to determine: natural vs cultured or imitation, and the separation of saltwater pearls from freshwater pearls. Results are presented in a table format.

Available Tests
Included:

  • Identification (natural pearl, bead cultured pearl, etc.)

Optional:

  • Environment (saltwater or freshwater)


Submission Criteria

  • Loose, unmounted pearls only

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