Botswana's industry is sparkling compared with its neighbour's declining sector.
The Oppenheimer dynasty has ended by selling their 40% of De Beers to global miner Anglo American for $5.1-billion.
Big money arriving in the country has resuscitated old rivalries among the political elite.
The country is eager to rid itself of a large stockpile and could deliver 25% of global supply.
Angola's diamond sector is slowly recovering but gem prices still need to rise by around 15% this year to enable companies reinvest in it.
It wouldn't be fitting to mount a barrage of "sale" and "special offer" signs in the windows of jewellers crowded into Antwerp's diamond square mile.
'Watertight' investments in diamond mines and real estate spring a major leak.
The world's largest diamond group, De Beers, said its three shareholders have agreed to loan the company $500-million.
De Beers Consolidated Mines has begun consultation with labour unions about possible retrenchments, the world's largest diamond miner said on Friday.
More than 1 200 job cuts are looming in South Africa's diamond mining industry, trade union Solidarity said on Friday.