你怎么保证你们的珠宝都不含有冲突钻石？

How can I be sure that none of your jewelry contains conflict diamonds?

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依扎科夫说：作为补充，钻石从业者都自愿对所售钻石做出非冲突钻石的声明保证。

In addition the diamond industry voluntarily includes a warranty on the invoice of every diamond sold stating it is conflict free, Izhakoff said.

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“冲突钻石”的存在使一些非洲国家的冲突和战乱长期化，并严重影响这些国家的战后重建。

The existence of the conflict diamonds has protracted conflicts and warfare in some African countries and severely affected post-war constructions in these countries.

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