Analysis & Grading

Colored Stone Reports & Services Details

Colored Stone Reports

GIA colored stone reports describe the type of gemstone, if your stone is natural or synthetic, and if there are any detectable treatments. When determinable, origin will be provided for certain stones. Included in all reports is the gemstone cutting style, shape, weight, measurement, color and a photograph of the stone. Multiple security features on GIA colored stone reports ensure their authenticity. Loose or mounted gemstones may be submitted for these services.
 

Colored Stone Identification Report

The GIA Identification Report describes whether the stone is natural or synthetic, identifies the type of gemstone, and includes any detectable treatments. This report also contains a detailed description of the gemstone such as cutting style, shape, weight, measurement, and color, and includes a photograph of the gemstone.

Submission Criteria

  • Any carat size

  • Loose or mounted

  • Polished

Service Restrictions
For large items, contact your Client Service Representative. Items over 50 kg are not accepted. 

Colored Stone Identification & Origin Report

The GIA Identification & Origin Report describes whether the stone is natural or synthetic, identifies the type of gemstone along with an opinion on the geographic origin of the stone if determinable, and includes any detectable treatments. This report also contains a detailed description of the gemstone such as cutting style, shape, weight, measurement, and color, and includes a photograph of the gemstone.

If an opinion on geographic origin cannot be given, the report will be issued with the geographic origin result as “inconclusive” and the Identification Report fee is charged based on the weight of the stone.

Submission Criteria

  • Any carat size

  • Loose or mounted

  • Available for ruby, sapphire, emerald, Paraíba type tourmaline, red spinel and alexandrite only

Service Restrictions
For large items, contact your Client Service Representative.

Add-On Services

GIA Add-On Services give you further information or security for your gemstone. 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 the Identification Report service for loose or mounted gemstones. Turnaround time is 48 hours (excluding weekends and holidays). Express Service for Identification and Origin services can be expedited to 72 hours. By appointment only.

Service Restrictions
Not available for Quality Assurance, Colored Stone Sorting or On-Site Consultancy Services. Certain services or large submissions may require a longer turnaround service time, contact your Client Services Representative for details.

Laser Inscription

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

Submission Criteria

  • Rubies and sapphires only

  • 0.50 carats or more

  • Faceted

  • Loose 

Service Restrictions
Not available with Report Verification service.

Damage Assessment

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

Submission Criteria

  • Loose or mounted gemstones

Recheck And Final Observation

Request a re-assessment of the color, treatment, identification, geographic origin, weight, shape, cutting style or measurements (dimensions) of your gemstone.

Submission Criteria

  • Loose or mounted gemstones

  • Gemstone must be submitted along with its original GIA report


Service Restrictions
Service must be requested within 60 days of original report date. If requested after 60 days, an Update service must be performed prior to the Recheck or Final Observation.

Follow-Up Services

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

Update

To confirm your gemstone’s identification results or if the gemstone has been recut, resubmit the gemstone along with its original GIA report. The gemstone 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 gemstone is required prior to performing the Add-On service.

Submission Criteria

  • Loose or mounted gemstones

  • Gemstone must be submitted along with its original GIA report

Report Conversion

Convert your Identification Report into an Identification & Origin Report or vice versa.

Submission Criteria

  • Loose or mounted

  • Emerald, ruby, sapphire, Paraíba type tourmaline, red spinel and alexandrite

To convert from Identification to Identification & Origin Report, gemstone and original GIA report must be submitted. For conversion from Identification & Origin to Identification Report, only the original GIA report must be submitted.

Report Verification

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

Submission Criteria

  • Loose or mounted gemstones

  • Gemstone must be submitted along with its original GIA report


Service Restrictions
Inscription not available with Report Verification service.

Specialty Services

GIA Specialty Services offer further analysis and information on your noteworthy gemstone. Services are customized with in-depth information specific to your gemstone. 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 gemstones. Each monograph comes complete with photographs, detailed identification information, spectroscopic analysis, historical background and other supporting content. The monograph tells the complete story of the gemstone and is presented within a handmade box inscribed with the gemstone’s name. Included is a USB drive with the digital copy of the gemstone’s story.

Submission Criteria

  • Only available for qualifying gemstones

  • 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 an Identification or Identification & Origin 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 gemstones. The letter includes a face-up photo and comments on the gemological properties such as color, size, and clarity that make the gemstone unique.

Submission Criteria

  • Only available for qualifying gemstones

  • Must accompany a Report Service

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

Batch Services

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

Colored Stone Sorting

Evaluates gemstones and sorts them based on pre-specified test categories. Gemstones that pass receive an Identification or Identification and Origin Report depending on the client’s request and are charged accordingly. Gemstones that do not pass the test criteria are returned without a report and charged a nominal fee. Available tests will vary depending on stone type.

Available Tests

  • Clarity Enhancement

  • Color Designation (Padparadscha*, Pigeon’s Blood, Royal Blue)

  • Heat Treatment

  • Impregnation

  • Lead Glass Filling

  • Level of Clarity Enhancement (emerald only)

  • Natural or Synthetic

  • Presence of Copper

  • Residue from Heating

  • Titanium (Ti) Testing

*Testing for beryllium and heat treatment will be performed if required and charged accordingly.

Submission Criteria

  • Loose

  • Items submitted must be of the same material

  • Up to two test criteria may be requested at time of submission

Available tests will vary depending on gemstone type.

Quality Assurance

Identifies and provides results based on specified test criteria for gemstones. Results are presented in a table format. No identification information is included on the report.

Available Tests

  • Beryllium (Be) Testing (ruby and sapphire only)

  • Burma or non-Burma Origin (ruby only)

  • Clarity Enhancement

  • Color Designation (Padparadscha*, Pigeon’s Blood, Royal Blue)

  • Heat Treatment

  • Impregnation

  • Lead Glass Filling

  • Level of Clarity Enhancement (emerald only)

  • Natural or Synthetic

  • Presence of Copper

  • Presence of Dye

  • Residue from Heating

  • Surface Treatment

  • Titanium (Ti) Testing

*Testing for beryllium and heat treatment will be performed if required and charged accordingly.

Submission Criteria

  • Loose

  • Items submitted must be of the same material

  • Up to two test criteria may be requested at time of submission

Available tests will vary depending on gemstone type.

Service Restrictions
Not available for gemstones that have already received an Identification or Identification & Origin Report.

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