Discover our Desert diamond Grading Service, celebrating the wild origin of natural diamonds and the distinctive spectrum of tones that occur in nature.

Institute of Diamonds is proud to offer a groundbreaking trustmarking service designed to strengthen confidence in natural diamonds.

我们的课程由世界顶级钻石专家撰写，将我们 130 年来在整个钻石业务链中积累的经验与行业分享。