标准编号：ISO 24016:2020
中文名称：珠宝和贵金属 抛光钻石的分级 术语、分类和试验方法
英文名称：Jewellery and precious metals — Grading polished diamonds — Terminology, classification and test methods
发布日期：2020-09
标准范围
This document specifies the terminology, classification and the methods that are used for the grading
and description of single unmounted polished diamonds over 0,25 carat (ct).
This document applies to natural, unmounted, polished diamonds. It is not to be used for fancy
coloured diamonds, synthetic diamonds, treated diamonds (other than is allowed for in 7.4), nor for
assembled stones.
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