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download between 0-24 hoursReleased: 2020
ISO 24016:2020
ISO 24016:2020-Jewellery and precious metals-Grading polished diamonds
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English PDF
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French Hardcopy
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| Standard´s number: | ISO 24016:2020 |
| Pages: | 53 |
| Edition: | 1 |
| Released: | 2020 |
DESCRIPTION
ISO 24016:2020
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.