A diamond certificate is a document from an independent testing laboratory. It provides details about the diamond: shape, measurements, carat weight, color, and imperfections or inclusions. It also includes details about the diamond's cut and any other comments about the specific diamond. Equally important is a numerical ID that links your diamond to its certificate. JewelryNest will provide a certificate for a single diamond with a weight of .70.ct and above, a color grade of "G-H"orhigher, and a clarity grade of "SI1" orhigher when set in an engagement ring of your choice.
JewelryNest provides you with the most reputable diamond certification laboratories, including the Gemological Institute of America (GIA). Other laboratories also offer diamond grading certificates. They vary in reputation and accuracy, and you should be advised to evaluate their credentials before entrusting your diamond to them. The European Gemological Laboratory (EGL). The American Gem Society (AGS).The International Gemological Institute(IGI) and Hoge Raad Diamant or Diamond High Council (HRD). These grading laboratories utilize the same methodology for diamond grading, including evaluating a specific diamond's 4Cs by three separate gemologists. The final grade is determined by a majority opinion based on cut, color, clarity, and Carat weight.
