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 ...

To understand a time crystal, it helps to think about familiar crystals such as diamonds or quartz. Those minerals owe their shape and shine to their highly organized structures. The carbon atoms ...

Priscilla Chan, wife of Meta CEO Mark Zuckerberg and a prominent philanthropist, recently turned heads at a public event by sporting a stunning diamond necklace that has ignited a whirlwind of ...