South Africa's biggest mineworker union said its members were demanding a 9% wage hike but De Beers was offering a 6% increase.

The project would require estimated investment of 121.5 billion roubles ($1.26 billion), with production to start in 2032.

An increasing number of Americans are choosing engagement rings made from lab-grown stones.

India has asked the US to release $26 million belonging to at least two Indian diamond firms frozen due to their alleged trade links with Alrosa.

The diamond represents the fourth +300 carat diamond recovered year to date.

Canadian officials ordered the evacuation of Yellowknife and several smaller communities on Wednesday.

She will be replaced by William Lamb, who served as chief executive from May 2011 to February 2018.