Kind IIa diamonds are essentially the most valued and collectable valuable gem stones, as they include both little or no or no nitrogen atoms of their crystal construction.
The Letšeng mine, owned 70% by Gem Diamonds, is without doubt one of the world’s ten largest diamond operations by income. At 3,100 metres (10,000 toes) above sea stage, additionally it is one of many world’s most elevated diamond mines.
The operation has a monitor report of manufacturing massive, distinctive white diamonds, which makes it the highest-dollar-per-carat kimberlite diamond mine on the planet.