W.R. Cobb Company
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My Engagement
Last updated: 10/10/2019
W.R. Cobb Company
Sustaining Firm - Executive
Professional Information
W.R. Cobb Company
800 Waterman Ave
East Providence
Rhode Island
02914-1728  United States
 [ Map ]
401 467-7400 (Phone)
800 428-0041 (Fax)
Visit Website »
Additional Information
  Bridal Jewelry, Diamonds (Loose), Equipment & Supplies, Finished Jewelry, Services


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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.

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