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南非德比尔斯联合矿业有限公司控制全世界天然金刚石交易的大约80%,最近该公司提高金刚石价格5.5%。1988年金刚石零售需求量增加15%,1989年又增加4%。
South Africa’s De Beers United Mines controls about 80% of the world’s natural diamond trades, and the company has recently raised diamond prices by 5.5%. The demand for diamond retail increased by 15% in 1988 and another 4% in 1989.