ISO 24016:2020 珠宝和贵金属 抛光钻石的分级 术语、分类和试验方法

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

本文件规定了0.25克拉（ct）以上单颗未安装抛光钻石分级和描述所用的术语、分类和方法。本文件适用于天然、未安装、抛光钻石。不得用于彩色钻石、合成钻石、处理过的钻石（7.4中允许的除外），也不得用于组装钻石。

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.

标准预览图