Jacquelyn Dewdney, ICGA
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Last updated: 8/30/2019
Jacquelyn Dewdney, ICGA
Independent Certified Gemologist Appraiser
Professional Information
Advanced Jewelry Appraisals, LLC
5550 Wild Rose Ln
Ste 400
West Des Moines
50266-5351  United States
 [ Map ]
515 421-4567 (Phone)
Visit Website »
BA Art History
Accredited Member - International Society of Appraisers (Specializing in Gems Jewelry and Fine Art)
Annual Certification, Independent Certified Gemologist Appraiser
Social/Volunteer Organizations
Docent - Des Moines Art Center


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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

8881 W. Sahara Ave. Las Vegas, NV 89117

info@ags.org (866) 805-6500