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ISO 24016:2020

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

Publication date:   Sep 18, 2020

General information

60.60 Standard published   Sep 18, 2020

ISO

ISO/TC 174 Jewellery and precious metals

International Standard

39.060   Jewellery | 01.040.39   Precision mechanics. Jewellery (Vocabularies)

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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.

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PUBLISHED
ISO 24016:2020
60.60 Standard published
Sep 18, 2020