ISO 24016:2020
Jewellery and precious metals — Grading polished diamonds — Terminology, classification and test methods

Standard No.

ISO 24016:2020

Release Date

2020

Published By

International Organization for Standardization (ISO)

Latest

ISO 24016:2020

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.

ISO 24016:2020 Referenced Document

• ISO 18323 Jewellery - Consumer confidence in the diamond industry

ISO 24016:2020 history

• 2020 ISO 24016:2020 Jewellery and precious metals — Grading polished diamonds — Terminology, classification and test methods