Missing Siberian diamond found after nearly 20 years

A Siberian diamond that disappeared from the University Museum Groningen nearly 20 years ago has been found. The rare gemstone turned up among a collection of fossils at the Hunebed Centre in Borger-Odoorn. On Friday, July 10, it will be officially returned to the University Museum Groningen. The gemstone is an uncut diamond from Siberia, […]