ISO 24016:2020

Jewellery and precious metals — Grading polished diamonds — Terminology, classification and test methods

Publication date: 18 sht 2020

General information

Current stage: 90.20 Effective date: 15 korr 2025

Originator: ISO

Owner: ISO/TC 174

Type: International Standard

ICS: 39.060 01.040.39

Gjuha: anglisht frëngjisht

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Statusi: Publikuar

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Scope

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.

Life cycle

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PUBLISHED
ISO 24016:2020
90.20 Standard under periodical review
15 korr 2025

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