Diamond Institute of America
Transparent. Honest. Unbiased.
Helping you understand your jewelry—whether you're buying, selling, inheriting, or simply learning.
Request AppraisalWhy Choose Diamond Institute of America
Knowledge is the most valuable gem of all—let us help you uncover it.
30+ Years Experience
Decades of hands-on experience within the diamond industry.
Unbiased Opinions
Independent assessments free from sales pressure or conflicts of interest.
Clear Insights
Complex information simplified into useful insights you can understand and trust.
Trusted Service
Professional service you can rely on for all your diamond and jewelry needs.
Verify Your Appraisal
Access and verify your official Diamond Institute of America appraisal certificate online.
Verify NowHave a Loose Diamond?
If you have a loose diamond that needs appraisal or grading, we can help. Contact us to learn about our evaluation process and how to send your diamond in for professional assessment.
Contact UsReady to Understand Your Jewelry?
We're here to provide the clarity and expertise you need.