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Submit your Diamond to GIA or AGS

Instructions on submitting your diamond to GIA or AGS

  • Locate a local diamond expert. Please review our page on how to do your own exact diamond quote.
  • Make sure that the value warrants the cost of a GIA or AGS report. Call or email us with you local findings.
  • Make sure that there are no negative characteristics that can be eliminated before your report is done. The report will be unforgiving in details of exact specifications including easily removed nicks, chips, burns or scratches.
  • Call GIA or AGS to let them know you are sending your diamond.

GIA website: https://www.gia.edu/gem-lab-service/diamond-grading

GIA Laboratory Customer Service can be reached at 760-603-4500 ext. 7590 in California or 212-221-5858 ext. 3724 in New York;

or e-mail labservice@gia.edu.

AGS website: https://www.agslab.com/faqs.php

AGS hours of operation are from 8:00 to 3:45pm PST, Monday through Friday.

AGS E-Mail: support@agslab.com | marketing@agslab.com

AGS Phone: Tel: 702.233.6120 | Fax: 702.233.6125

After 33 years in the industry we have found that the lack of disclosure and accuracy seems to be more common than the full disclosure and an emphasis on accuracy and education of the buyer. We take misrepresentation very seriously and often recommend the pursuit of a full refund from the original seller. Please call us at (800) 854-0014 or email us at info@gemgate.com if you have any further questions.

During the Covid-19 crisis we are still serving the public with safeguards. At this time it is by appointment only Monday-Saturday so feel free to contact us by calling (408)358-5336, texting to (408)455-9885 or email to info@gemgate.com. Stay safe and wash your hands often!

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