在1987年中,世界金刚石的生产和销售继续保持着稳定上升的发展趋势。伦敦德毕尔斯国际销售中心经营着世界85%的初级金刚石产品,其销售总额达38亿美元。精加工金刚石的市场贸易量也有较大幅度的增长。其中,出口量增长幅度较大的国家有;印度,1987年的出口额达到17亿美元,比1986年的13亿美元增加了30%还强。以色列,1987年的出口额达到20亿美元,比1986年的16亿美元增长25%。安特 In 1987, the world diamond production and sales continued to maintain a steady upward trend. The London De Beers International Sales Center operates 85% of the world’s primary diamond products, with sales totaling $3.8 billion. The market volume of finished diamonds has also increased significantly. Among them, the countries with a large increase in export volume are: India, whose export value reached 1.7 billion U.S. dollars in 1987, which is 30% more than the 1.3 billion U.S. dollars in 1986. Israel’s exports in 1987 reached 2 billion U.S. dollars, an increase of 25% from 1986 U.S. dollars of 1.6 billion U.S. dollars. Ante