World Leading Grading
Diamond grading combining expertise with innovative technology for the most reliable results.
Desert diamonds
Discover our Desert diamond Grading Service, celebrating the wild origin of natural diamonds and the distinctive spectrum of tones that occur in nature.
Natural Diamond Hallmarking
Institute of Diamonds is proud to offer a groundbreaking hallmarking service designed to strengthen confidence in natural diamonds.
Educating the Industry
Courses sharing 130 years of experience of the entire diamond pipeline from the world's leading diamond experts