Browse our IGI-certified hexagonal laboratory-grown diamonds. Every stone is IGI-certified and shown in 360° video — the exact diamond you receive.
Browse our IGI-certified hexagonal laboratory-grown diamonds. All hexagonal diamonds sold by Matts Diamonds are laboratory-grown — chemically and optically identical to mined diamonds, conflict-free, and independently graded by IGI, with a verifiable report and a 360° video of the exact stone. Free insured shipping within the USA.
Beyond what we auction live, browse thousands more certified natural & lab-grown diamonds — every shape, size and budget, shipped fully insured.
Browse the full collection →