Welcome to IDI – International Diamond Institute!
Our aim since inception has been to provide clear and concise diamond and gem grading reports with clear and transparent standards, to empower the consumer to be able to buy with confidence any item of jewellery which carries our prestigious report.
All our reports use our tri-route grading system to ensure consistent grading’s to our international standards used throughout the trade for evaluating diamond and gem jewellery.
This empowers the consumer to be able to buy jewellery bearing our highly acclaimed reports with confidence.