: Genuine reports include holograms, microprint lines, and QR codes that are difficult to replicate.

: Considered the global standard for gemstone grading. You can verify any GIA report using their official GIA Report Check .

If you are looking to verify a diamond's authenticity or simply want to understand the certification process, here are the legitimate standards in the industry: Leading Certification Bodies

: Known for strict standards, particularly in cut grading.