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AG&J

    http://www.agandj.com/
    AG&J is one of the world's most technologically advanced gemological laboratories. For over 25 years we have specialized in the identification of diamonds, developing new, accurate and reliable methods.

About AG&J

    http://www.agandj.com/about.html
    In 2009, Mr. Simic founded a new laboratory, Analytical Gemology and Jewelry (AG&J), to focus on research and development, as well as offer identification services of standard (irradiation, heating, HPHT, etc.) and new treatments of diamonds (combination of treatments etc.), gems and synthetic diamonds.

Analytical Gemology and Jewelry Head Says GIA Is 'Wrong ...

    https://instoremag.com/analytical-gemology-and-jewelry-head-says-gia-is-wrong-to-grade-lab-grown-diamonds-the-same-as-mined/
    Oct 22, 2020 · INSTORE Staff (PRESS RELEASE) AG&J Analytical Gemology and Jewelry head Dusan Simic has launched a response to the decision of the GIA to grade laboratory-grown diamonds in what he calls a standardized fashion.Estimated Reading Time: 3 mins

Dusan Simic - Owner, CEO - AG&J - Analytical Gemology and ...

    https://www.linkedin.com/in/dusan-simic-bb51785b
    In 2009, Dusan founded a new lab - Analytical Gemology and Jewelry (AG&J) in New York City to focus on research and development. His high specialization is in diamond identification with deep...Occupation: Research Gemologist

A Review of Analytical Methods Used in Geographic Origin ...

    https://www.gia.edu/gems-gemology/winter-2019-analytical-methods-geographic-origin-determination-gemstones
    Jan 26, 2018 · Feature Gems & Gemology, Winter 2019, Vol. 55, No. 4 A Review of Analytical Methods Used in Geographic Origin Determination of Gemstones. Lee A. Groat, Gaston Giuliani, Jennifer Stone-Sundberg, Ziyin Sun, Nathan D. Renfro, and Aaron C. Palke

RECORDED Lecture 10: June 24 – Case Study of Diamond ...

    https://www.brankogems.com/shop/advanced-diamond-academy/lecture-10-case-study-of-diamond-samples-at-canadian-gemological-laboratory-and-analytical-gemology-and-jewelry
    Jun 24, 2021 · Dusan Simic, B.Sc. FGG is research gemologist of AG&J (Analytical Gemology and Jewelry, NYC). Simic’s intense research in identification projects on HPHT treatments, synthetic diamonds, multi-step treatments of diamonds and radiation and annealing processes as well as his technical know-how of diamond analytical instruments have been well ...

***Every Gemological Microscope should have a Polarized ...

    https://www.gemologyonline.com/LaShawn/LSB_Polarized_Filter.pdf
    By Dusan Simic Analytical Gemology & Jewellery For more information on Analytical Gemology and Jewelry call (917) 667-6936 ***Identifying Diamond Types and Synthetic Diamonds with CPF (Cross Polarized Filters) Second (2ndEdition)

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