Our diamonds have a unique story

The Rio Tinto Select Diamantaires are your gateway to some of the most extraordinary and responsibly-sourced diamonds in the world. These companies represent the best of the diamond industry and play a critical role in guaranteeing that the audited Rio Tinto Diamonds Chain of Custody platform remains intact.

Each Select Diamantaire has been carefully selected for their expertise in diamond trading, cutting and polishing, and marketing—qualifying them to receive a regular and consistent supply of diamonds from the Argyle and Diavik mines. Their stewardship and commitment ensure your access to authentic, responsibly-mined Canadian and Australian Diamonds.

We invite you to explore our roster of Select Diamantaires and their extensive capabilities to find one that meets your needs.