标准摘要
[中文适用范围]： 本文件规定了用于检验单个重量小于或等于 0.25 克拉的未镶嵌抛光无色钻石批次的术语、分类和测试方法。虽然一批钻石的检验每次只进行一颗，但该文件不适用于单颗钻石，也不适用于彩色钻石、合成钻石、处理过的钻石或组装宝石。 [外文原描述]： This document specifies the terminology, classification and test methods that are used for the inspection of batches of unmounted polished colourless diamonds with single mass smaller than or equal to 0,25 ct (carat). While the inspection of a batch is made one diamond at a time, the use of this document is not to be claimed for one single diamond only nor for fancy coloured diamonds, nor for synthetic diamonds, nor for treated diamonds, neither for assembled stones.
英文名称Jewellery and precious metals — Inspection of batches of small diamonds — Terminology, classification and test methods