International Standard
ISO 24016:2020
Jewellery and precious metals — Grading polished diamonds — Terminology, classification and test methods
Reference number
ISO 24016:2020
ISO 24016:2020
Edition 1
2020-09
2020-09
© ISO 2024
International Standard
Abstract
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.
General information
-
Status: PublishedPublication date: 2020-09
Corrected version (en): 2024-03
Corrected version (fr): 2024-03Stage: International Standard published [60.60] -
Edition: 1Number of pages: 53
-
Technical Committee :ISO/TC 174
- RSS updates
Life cycle
Customer care
+41 22 749 08 88
Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)