Diamond Institute of America

30+ years of experience in fine diamond jewelry.
Transparent. Honest. Unbiased.

Helping you understand your jewelry—whether you're buying, selling, inheriting, or simply learning.
Clarity you can trust.

Why Choose Diamond Institute of America

Knowledge is the most valuable gem of all—let us help you uncover it.

Decades of hands-on experience in diamond grading and jewelry evaluation.

Independent assessments free from sales pressure or conflicts of interest.

Complex information simplified into useful insights you can understand and trust.

Professional service you can rely on for all your diamond and jewelry needs.

Whether you're buying, selling, inheriting, or simply learning about your jewelry, we're here to provide the clarity and expertise you need.

Access and verify your official Diamond Institute of America appraisal certificate online.