American Gem Society
History and Founder
- AGS was created by Robert M. Shipley.
- Shipley realized the lack of expertise in gems and jewelry among American jewelers.
- Shipley completed the Great Britain National Association of Goldsmiths gemological correspondence course in Europe.
- Shipley founded his own preliminary course in gemology in Los Angeles in 1930.
- Shipley worked to promote the need for gemological education and train certified jewelers.
- Invented the industry's first scientifically reviewed, objective, and repeatable Cut Grade method.
- Created the Ideal Cut Grade for Round Brilliant shaped diamonds (AGS Ideal or Triple Zero Cut).
- Offered diamond grading reports with a Cut Grade for Princess, Emerald, Oval, and other fancy diamond shapes.
- Achieved significant accomplishments within the field of gemology and jewelry.
- Played a key role in the foundation of the Gemological Institute of America (GIA).
- AGS Laboratories offers diamond grading services based on the Four Cs: Color, Clarity, Cut, and Carat Weight.
- Provides diamond grading reports to verify the quality of purchased diamonds.
- Offers laser inscription services to inscribe diamonds with serial numbers, company logos, or other text.
- Laser inscription is performed on the girdle and does not affect diamond quality.
- AGS Laboratories serves the jewelry industry with its laboratory services.
References and Additional Information
- Shipley Shaped GIA Mission on Personal Experience, Commitment to Improvement.
- About AGS Laboratories.
- American Gem Society.
- AGS Laboratories FAQs.
- Laser Inscription Services.
- AGS Laboratories is a significant part of the AGS operation.
- Laser inscription service provides a unique way to personalize diamonds.
- AGS Laboratories' diamond grading reports are trusted in the industry.
- AGS Laboratories contributes to the verification and quality assurance of diamonds.
- AGS Laboratories' services benefit both jewelers and consumers.
American Gem Society Data Sources