International Gemological Institute - IGI
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News from IGI USA. IGI, a Blackstone portfolio company, is the world's largest independent gemological provider for grading, appraisals and education.
12/22/2025
IGI Expressions jewelry design competition is open for entries. See the link in bio for details on how to enter.
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New York, NY
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| Monday | 9am - 5pm |
| Tuesday | 9am - 5pm |
| Wednesday | 9am - 5pm |
| Thursday | 9am - 5pm |
| Friday | 9am - 5pm |
