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DD 234:1996 - Grading polished diamonds. Terminology and classification

Other Titles Current Description Printed version of this is available at library. To request, please e-mail to referencepk@usm.my and include a copy of this record in your e-mail. Abstract This Technical Report specifies the terminology and classification to be used for the grading and de- scription of polished diamonds. This Technical Report shall only be used for natural, unmounted, polished diamonds. It shall not be used for synthetic diamonds, treated diamonds (other than is allowed for in 3.3), or for assembled stones (see 3.5). A terminology and classification for the colour of fancy coloured diamonds (see 5.1.2) is in the course of preparation. Test methods concerning the technical application of this terminology and classification are in the course of preparation.

Contributor(s): NAAR - Data Entry Person Primary Item Type: British Standard Identifiers: ISBN  058025917X ICS 01.040.39 Precision mechanics. Jewellery (Vocabularies) ICS 39.060 Jewellery Language: English Subject Keywords: Surface defects; Inclusions; Flaws; Colour; Diamond; Precious stones; Defects; Terminology; Weight (mass); Shape; Surface texture; Classification systems; Jewellery; Grades (quality); Grading (quality); Polishing First presented to the public: 2/22/2023 Original Publication Date: 6/15/1996 Previously Published By: British Standards Institution Place Of Publication: London, United Kingdom Citation: Extents: Number of Pages - 15 License Grantor / Date Granted:   / ( View License ) Date Deposited 2023-02-22 09:24:10.308 Submitter: Nurul Aini Abdul Rahman

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