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ISO 24016:2020 (R2026)

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

Summary

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.

Notes

90.93 : Norme internationale confirmée

Technical characteristics

Publisher International Organization for Standardization (ISO)
Publication Date 09/18/2020
Confirmation Date 02/16/2026
Edition 1
Page Count 53
EAN ---
ISBN ---
Weight (in grams) ---
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