Brenda Harwick
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Brenda Harwick is a member of the Gemological Institute of America's (GIA) highly respected team of instructors who impart over 75 years of the Institute's knowledge and research to gem and jewelry professionals throughout the nation.

A specialist in both the theory and practice of diamond grading, colored stone grading, and gem identification, Brenda’s expertise is drawn from a pool of retail experience and formal gemological education.

From 1984 to 1989, Brenda was a sales consultant at Doreen’s Diamonds and Fine Jewelry in Jefferson, WI. Her responsibilities also included assisting with buying and handling most of the diamond work. Her keenness to absorb product knowledge and her flair for customer relations prepared her for her next position at Custom Creations in Madison, WI, where she worked from 1989 to 1993. Here she assumed responsibility for sales, buying, and preparation work for custom jewelry design and manufacture. For the next six years, Brenda worked outside the jewelry industry. Her love of the jewelry industry called her back in 1999, and soon after earning her Graduate Gemologist degree in residence from GIA, she was hired as a Resident Instructor at GIA’s World Headquarters Campus in Carlsbad, CA. Brenda has taught at several of GIA’s international campuses including London, Italy, India and Hong Kong. In 2003, Brenda was the recipient of the coveted GIA staff of the year award.


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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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