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How to Submit Diamonds for GIA’s Free Report Verification Service
Anyone can submit diamonds to GIA for report verification. Although we attempt to perform this service even when diamonds are mounted, in some instances we may have to ask to have the diamond removed from the setting so our gemologists are able to properly perform the verification service. Please note that the results will be returned to you by letter, along with your diamond and its original GIA Report.
In Person Drop Off and Pick Up:
New York
GIA Laboratory
580 Fifth Avenue, Suite 200
New York, NY 10036
T: 212-221-5858 ext. 3724
Mon – Fri 8:00 am – 4:00 pm
California
GIA Laboratory
5355 Armada Drive
Carlsbad, CA 92008
T: 760-603-4500 ext. 7590
Mon – Fri 8:00 am – 4:00 pm
What you will need:
- Your diamond and its original GIA Diamond Grading Report or GIA Diamond Dossier®
- Photo identification
- Signed Client Agreement form (You may download here, or obtain it at drop off.)
By U.S. Registered Mail:
Ship to either:
GIA Laboratory
580 Fifth Avenue, Suite 200
New York, NY 10036
T: 212-221-5858
GIA Laboratory
5355 Armada Drive
Carlsbad, CA 92008
T: 760-603-4500
What you will need:
- Your diamond and its original GIA Diamond Grading Report or GIA Diamond Dossier®
- Signed signature page from the Client Agreement form (Please download here.)
- A sheet of paper with the following information:
- List the enclosed item(s), including the weight, shape, and value of the diamond
- The service you are requesting
- Your GIA Laboratory Client Number, if you have one
- Your preferred method of return shipment - U.S. Registered Mail, armored courier - or In Person Pick Up
- Insurance amount required for return shipment (Registered Insurance US Postal Service)
- Your return address, telephone number, and fax number
- Pack these items in a sealed parcel or box, carefully wrapping each item separately in a parcel paper or other suitable material.
Return Shipping Charges:
While the Verification Service is free, you will incur the cost of any return shipping expenses, plus a $1.00 handling fee. Return shipping costs are determined by the shipping method you select and will be billed to you.
For information about shipping items from a location outside the U.S., please contact your local air/armored courier and GIA Laboratory Client Services.
We look forward to providing you with the high-quality service you expect from the world's premier gemological laboratory. If you have any questions, please feel free to call our Client Services staff in New York at 212-221-5858 ext. 3724 or in California at 760-603-4500 ext. 7590 or by e-mail: labservice@gia.edu.
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