Infinity Diamonds & AGS Diamond Grading

Robert Shipley The American Gem Society (AGS) was founded in 1934 by Robert Shipley, the same man who founded the Gemological Institute of America. Shipley's goal was to create a moral and ethical professional society that could help protect the jewelry-buying public from fraud and false advertising.

Since its inception the AGS has grown in the areas of consumer protection, ethical business practices and the development of superior gemological skills and knowledge. The society's membership is composed of select jewelers, retailers, suppliers and stakeholders who must pass rigorous standards for membership.

As the year 2000 approached the American Gem Society felt that the industry, as well as the consumer, would benefit from a laboratory held to a stricter standard of diamond grading, with a founding tenet of consumer protection first and foremost. With that mission in mind, they created the AGS Laboratories in 1996.

The AGSL and Cut Grading
AGSL logo (American Gem Society Laboratories) Before the AGSL was founded, many other grading laboratories focused almost exclusively on Carat Color and Clarity factors; relegating cut grading to a distant back seat in both approach and standards-enforcement. Rudimentary cut assessment was done by traders behind industry doors, but was largely a mystery to consumers. From its inception the AGSL focused on cut assessment for both the trade and consumers. They pioneered the "Ideal" cut grade for the Round Brilliant diamond and provided user-friendly guidelines. Between 1996 and 2006 the buzz created by AGSL’s “Ideal” and “Triple Zero” standards forced sellers and laboratories not-yet-grading-cut to establish some type of cut-criteria; in order to satisfy growing cut-awareness among shoppers. The negative by-product of this buzz was that the term “Ideal” became adopted by many organizations and sellers who continue to use it in a completely diluted and non-meaningful manner.

AGSL Report example from Infinity Diamonds The Future of Cut Grading
In 2005 the AGSL created the first scientifically reviewed, objective, and repeatable cut grade method in the industry; still the only approach of its kind. Their repeatable ray-tracing metric is used to determine how all a diamond’s facets work together in the areas of brightness, dispersion, contrast and leakage. The gemologists at AGSL continue to research and develop approaches for assessing scintillation; a critical component of diamond performance which no laboratory yet includes in their cut grading assessments.

It is important to know that diamond cut grading is still in its infancy. Standards have tightened and will tighten again. When this happens, many diamonds sold as having a "top" cut grade today will drop to a lesser grade in the new system (read more about Future Value here). Even the AGSL has revised their system several times; as man's tools and assessment-abilities have become more sophisticated.

Infinity Diamonds exceed every performance metric on earth, achieving levels yet unmeasured and ungraded by any diamond laboratory. In short, no laboratory matches our own standards. But of the available organizations we choose AGSL to provide the reports for Infinity Diamonds, with respect for their strong and proven commitment to cut grading as a priority for both trade and consumers.


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