Some of the most extraordinary gems ever found belong to a rare class of diamonds known as CLIPPIRs (Cullinan-like, Large, Inclusion-Poor, Pure, Irregular, Resorbed). They make up less than 1% of all diamonds on Earth and include three of the largest diamonds ever recovered: the Cullinan, at 3,1...
Source: [Phys.org](https://phys.org/news/2026-07-world-biggest-diamonds-geology.html)