A diamond grading report or certificate is a certificate issued by an independent gemological laboratory attesting to the characteristics of a specific diamond. Diamond Grading Reports confirm that a specific diamond has been examined by trained and experienced diamond graders who, using gemological instruments, have determined that the diamond contains the characteristics as stated in the certificate.
Diamond Grading Reports have incredible value in providing buyers with an unbiased, professional evaluation of the characteristics of a specific diamond. When purchasing a diamond with a certificate, buyers need to take the risk of relying on their own "naked-eye" examination of the diamond and paying a price that does not relate to the actual value of that diamond. Each Diamond Grading Report is allocated an exclusive number that corresponds to a specific diamond. In addition, most Diamond Grading Reports will include diagrams illustrating inclusions unique to that specific diamond, providing further proof of certification.
As a diamond's "blueprint" a Diamond Grading Report provides extensive information on the diamond's precise characteristics, typically including the following: