Marc Nanasi, RS
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Marc Nanasi, RSMarc Nanasi, RS, studied business management at Boston University and graduated with concentrations in finance and business law. He is currently the Business Development Manager at NEI Group (Nanasi Diamonds), and spends most of his time on the road working trade shows and visiting retail customers.

Marc spent four years on the board to the New York Guild, and currently holds a position on the newly formed New Jersey Guild. He was one of the founding members of the AGS Young Titleholders during its recent resurgence, and is the incoming president to the group. Marc also received AGS's Young Titleholder of the Year award in 2016.


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Mission Statement

The American Gem Society (AGS) is a nonprofit trade association of fine jewelry professionals dedicated to setting, maintaining and promoting the highest standards of ethical conduct and professional behavior through education, accreditation, recertification of its membership, gemological standards, and gemological research.

The Society is committed to providing educational products to inform and protect the consumer and to contributing to the betterment of the trade by creating industry standards to protect the jewelry-buying public and the fine jewelry industry as a whole.

AGS Laboratories, founded to support the AGS mission, is a nonprofit diamond grading laboratory with a mission of consumer protection. Adhering to the AGS Diamond Grading Standards, AGS Laboratories is dedicated to offering diamond grading reports that provide consistency and accuracy based on science.

American Gem Society

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