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摘要: 据公开文献报道，在90年代，印度钻石切磨师的人数估计在60万～80万为。根据印度每年成品钻的数量以及加工这些宝石的速度，我们估计印度约有40万个专职切磨师（主要在现代工厂里），每年一般可以抛磨大约7.5亿颗钻石。公开文献对切磨师人数的过高估计也许包括60万个家庭手工业中的兼职切磨师，其中有些平均每天只切磨一颗钻石；专职切磨师仅约20万人。以90年代中期印度抛磨钻石的总量（重量）和估计的平均尺寸（2.5pt或0.025ct）为基础，提出了一个假设的钻石产品尺寸。我们推测，占重量约80％和占总量96％的成品钻小于10pt（0.01ct）。印度的成品钻为3pt（0.03ct），约占重量的42％，占总量的65％（约5亿颗）。
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