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.
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.
Previous versions
No products.