Active Standard
Most Recent

NBN EN ISO 24016:2026

Jewellery and precious metals - Grading polished diamonds - Terminology, classification and test methods (ISO 24016:2020, including corrected version 2024-03)

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.

Technical characteristics

Publisher Bureau de Normalisation Belge (NBN)
Publication Date 03/18/2026
Page Count 0
EAN ---
ISBN ---
Weight (in grams) ---
No products.
No products.