AGS Lab to Grade Trademarked Brilliant Cuts


January 22, 2003

AGS Lab to Grade Trademarked Brilliant Cuts

The American Gem Society Laboratories has a new service to grade what it calls Round Fancy Brilliant Cut Diamonds™. These diamonds have different facet arrangements than standard round brilliant cuts containing 57 or 58 facets. The lab says the same parameters it uses for grading polish, symmetry and proportion in all diamonds will be observed.

The data the lab has gathered in its ongoing fancy-cut grade research project allows AGS to construct a new performance-based cut-grading system. The lab says the new service to grade round fancy brilliant cut diamonds is a result of its research findings.

The descriptions of the round fancy brilliant cut diamonds will not include use of the terms Ideal cut or AGS Ideal to differentiate between the two categories and avoid confusion. AGS Ideal will be reserved for the traditonal round brilliant diamond featuring 57 or 58 facets.

The AGS created its Diamond Grading Standards in 1966. The Standards were revised due to research advancements in 1975, 1983, 1991 and 1996. AGS and a small group of investors opened the AGS Gemological Laboratory in 1996.


by Robert Weldon, G.G.



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