Natural diamonds form out of carbon that gets stuck in lava tubes about a mile deep in the Earth's crust. The final purification step converts the carbon into slippery sheets of graphite — the ...

South Africa’s State Diamond Trader (SDT) is seeking to emphasise the uniqueness and value of natural diamonds as ... supplying beneficiators with unpolished diamonds “The legislation has ...

The team further arrested a 20-year-old South African male suspect who was found in possession of suspected unpolished diamonds. The public is encouraged to report illicit mining by contacting ...