Important Limitations

AGG has carried out scientific analysis and grading of the Article(s) referred to in this Report, utilizing advanced and up-to-date gemological instruments and equipment available at the time of examination. Evidence of known treatments, simulants and synthetics are detected and disclosed. However, technologies employed in treatments, processing and synthetics are continuously evolving, hence it might not always be possible to determine the origin of the article using the then-latest available techniques.

1. A Jewelry Report is based on the gemological analysis of the Article, but also on data or documentation occasionally supplied therewith. Accompanying reports and hallmarks are accepted as factual, with the implicit understanding that AGG does not guarantee, nor warranty their accuracy. Characteristics, weights and measurements are approximate when analyzed in mounted conditions .
2.Gemstones are sometimes enhanced or treated in order to improve their appearance. These processes, including synthetics, are not always identifiable in mounted conditions.

Opinions may vary as to the characteristics covered in this Report, and results of the examination performed on the diamond may differ depending by whom, when and how the diamond is examined; hence, neither AGG nor any member of its staff shall, at any time, be held responsible for any discrepancy which may result from the application of other grading and/or identification methods.

In the event of any claim by the Client or any person for damage to the article(s), or damages resulting, directly or indirectly from this Report, the liability of AGG shall be limited to the amount it receives as a fee in connection with this Report.

By making this Report AGG does not agree to purchase or replace the article(s). Neither the Client nor any purchaser of the article(s) shall regard this Report as an appraisal or as a guaranty/warranty. AGG operates as an independent laboratory and has no financial interest in the sale/purchase of any gemstone/jewelry.


Mission Statement

The American Gem Grading Laboratory (AGG) 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 Laboratory 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.

AGG Laboratory, is a gemstone and diamond grading laboratory with a mission of consumer protection. Adhering to the 4C Diamond Grading Standards, AGG Laboratory is dedicated to offering gemstone and diamond grading reports that provide consistency and accuracy based on science.

American Gem Grading Laboratory

Borgata Way, Atlantic City, NJ, 08401