Bryan C. Aderhold, CG
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My Engagement
Connections  (510)
Last updated: 2/23/2020
Bryan C. Aderhold, CG
Certified Gemologist (E)
Other Networks: Instagram
Profile Link:
Professional Information
Nash James Enterprises LLC
608 5th Ave
Ste 609
New York
New York
10020-2303  United States
 [ Map ]
800 518-8150 (Phone)
Visit My Website »
Additional Information
  2019 Seattle
Annual Certification
Social/Volunteer Organizations
AGS North Jersey Guild Board Member
AGS Supplier Task Force Member
AGS Social Media Ambassador
More Information
Colored gemstone expert dealing in calibrated and free sizes of emerald, ruby, sapphire and more.

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 (866) 805-6500