When shopping for a diamond or other gemstone, it is important to understand the different grading reports available. A grading report is a document that provides an objective assessment of the quality of a gemstone. This information can help you make an informed decision about your purchase.
There are two main types of gem grading reports:
Laboratory-issued grading reports: These reports are issued by independent laboratories that specialize in gemstone grading. The most well-known laboratories include the Gemological Institute of America (GIA), the American Gem Society (AGS), and the European Gemological Laboratory (EGL).
Appraiser-issued grading reports: These reports are issued …