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There are a large number of different methods available which are suitable for different purposes
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The specific practices of data exchange and sharing of community infrastructures will depend on the characteristics of each community
The display of unit price
Jewellery and precious metals. Grading polished diamonds. Terminology, classification and test methods not-for-sale There are a large number1 Scope 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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