The first diamonds had been discovered in South  Africa three years previously, when in 1867, a 22-carat stone was discovered on the De Kalk  farm on the Orange River.

三年前，第一批钻石在南非被发现，即 1867 年， 在奥兰治河 (Orange River) 的德卡尔克 (De Kalk) 农场发现了一颗 22 克拉的钻石。