Contact Us

The Diamond Gemological Laboratory – DGI is located at the Israeli diamond complex, at 13 Harakon Street.We can be reached both by phone and via E-mail.For general information or requests regarding our labs / reports:

[email protected]

Phone numbers:


1-866-811-6387 (USA Free phone call)

If you have questions or problems regarding our online-verification service, please mail us at: [email protected]

For questions or information regarding the 4C’s and additional education, please mail us at: [email protected]

Thank you.

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