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ČSN EN ISO 24016 (421670)
Jewellery and precious metals - Grading polished diamonds - Terminology, classification and test methods
Translate name
STANDARD published on 1.8.2026
The information about the standard:
Designation standards: ČSN EN ISO 24016
Classification mark: 421670
Catalog number: 523885
Publication date standards: 1.8.2026
SKU: NS-1278524
The number of pages: 68
Approximate weight : 204 g (0.45 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
The category - similar standards:
Annotation of standard text ČSN EN ISO 24016 (421670):
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
Preview of the standard ČSN EN ISO 24016 (421670)
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