The AGS Laboratories provides modern diamond grading services to members of the industry who share our commitment to providing you with quality diamond grading reports. We continue with our innovative approaches to diamond grading and consistently adhere to the AGS consumer protection ethics and standards.

AGS Laboratories promotes the highest professional standards of ethics, knowledge, and consumer protection. You benefit from an AGS Laboratories document because it empowers you with detailed information about your diamond. With an AGS Laboratories diamond document, you are receiving a report that is the industry's most thorough and consistent.

Even though you may have complete trust in your jeweler, it's always reassuring to have the opinion of an expert, unbiased third-party who can verify the quality of the diamond you are purchasing. AGS Laboratories, the #1 Lab for Cut™, can give you that assurance with our diamond grading documents.