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八十年代的大部分时间里世界金刚石工业一直处于不景气状态。中央销售组织(CSO)在1980年销售金刚石高达27亿美元。由于突如其来的衰退的影响,到1982年下降到12.56亿美元。随之出现一个缓慢略显增长
For most of the 1980s, the world diamond industry has been in a recession. The Central Sales Organization (CSO) sold diamonds up to $2.7 billion in 1980. Due to the sudden recession, it dropped to 1.256 billion U.S. dollars by 1982. Then there is a slight increase in growth