(IDEX Online) - One of the world's rarest Rolex watches - so rare that many collectors didn't believe it actually existed - ...

The KP CSC has, in the past, criticized the KP for not adequately addressing diamond mining-related violence and human rights ...

Size doesn't necessarily matter. The Golconda Blue, at 23.24 carats, is the largest fancy vivid blue diamond ever to be offered at auction. But that doesn't mean it will automatically fetch the ...