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NF ISO 6893, S89-004 (05/2024)
Joaillerie, bijouterie et métaux précieux - Contrôle des lots de petits diamants - Terminologie, classification et méthodes d'examen
Automatic translation from French :
Fine jewelry and precious metals - Control of batches of small diamonds - Terminology, classification and examination methods
Automatic translation from French :
Fine jewelry and precious metals - Control of batches of small diamonds - Terminology, classification and examination methods
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Summary
This document specifies the terminology, graduations and methods of examination used for the control of lots of unmounted cut colorless diamonds with an individual mass of less than or equal to 0.25 ct (carat). While the control of a lot is done diamond by diamond, the use of this document must not be claimed for an isolated diamond, nor for colored diamonds, nor for synthetic diamonds, nor for treated diamonds, nor for assembled stones.
(Automatic translation from French)
(Automatic translation from French)
Technical characteristics
| Publisher | Association Française de Normalisation (AFNOR) |
| Publication Date | 05/01/2024 |
| Release Date | 05/01/2024 |
| Page Count | 30 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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