All of these institutes including the EGL, IDL, GIA and the IGI are known for their consistency, stringency and impartiality when grading diamonds.īelow is a sample diamond grading report from the European Grading Laboratory, the foremost authority on diamond grading. Is best in igi diamond grading report check shows that helps us the value and gemstones, hrd grade on which allow you know that egl. IGI has the technology to test for natural diamonds and this test is carried out. While there is there common language used in the grading of diamonds. Diamonds from .za are graded by either the EGL (European Grading Laboratory), IDL (Independent Diamond Laboratory), GIA (Gemological Institute of America), or IGI (International Gemological Institute) - diamond trade’s most respected grading entities. The International Gemological Institute IGI Brilliance Blog. on diamond certification, International Gemmological Institute (IGI). A certificate verifies diamonds identity and value and is recognized by all gemologists.ĭiamonds are certified by independent grading entities whose expert gemologists evaluate each diamond's particular characteristics and attributes, such as clarity, cut, color, carat weight, fluorescence and other characteristics. A Diamond certificate is a report created by a team of gemmologists to evaluate.
A certified diamond's quality is guaranteed, and is therefore more valuable than an uncertified stone. Many diamonds are certified by an independent laboratory so that purchasers can feel confident that their diamond is indeed of the quality the seller represents. A certificate is diamond's "fingerprint".Ī diamond grading report is a detailed explanation of a diamond's characteristics such as its cut, weight and dimensions.