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Active standard | Published: 01/08/2026
ČSN EN ISO 24016
Jewellery and precious metals - Grading polished diamonds - Terminology, classification and test methods
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Detail information
Designation: ČSN EN ISO 24016
Publication date: 01/08/2026
Pages: 68
Country: Czech technical standard
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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
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