Alongside the original documents is a paste replica of the Cullinan in its original rough crystal form and two replica sets of the nine principal diamonds cut from the uncut diamond. The lot is ...

A stunning blue fancy colour diamond is expected to impress collectors at an upcoming sale, entering the auction with an eye-popping pre-sale estimate.

Surat is among the premier centres of the diamond sector, with about 90 per cent of the world’s rough diamonds being cut and ...