DIN Standards Committee Optics and Precision Mechanics
Jewellery and precious metals - Grading polished diamonds - Terminology, classification and test methods (ISO 24016:2020, including corrected version 2024-03)
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.
Begin
2025-08-27
WI
00410016
Planned document number
prEN ISO 24016
Responsible national committee
Responsible european committee
CEN/TC 410 - Jewellery and precious metals
draft standard
Jewellery and precious metals - Grading polished diamonds - Terminology, classification and test methods (ISO 24016:2020, including corrected version 2024-03)
2025-11
Order from DIN Media