ISO/TC 174/WG 2 - Diamonds, gemstones and related products
Diamants, pierres précieuses et produits connexes
General Information
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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Frequently Asked Questions
ISO/TC 174/WG 2 is a Working Group within the International Organization for Standardization (ISO). It is named "Diamonds, gemstones and related products". This committee has published 1 standards.
ISO/TC 174/WG 2 develops ISO standards in the area of Information technology. Currently, there are 1 published standards from this working group.
The International Organization for Standardization (ISO) is an independent, non-governmental international organization that develops and publishes international standards. Founded in 1947 and headquartered in Geneva, Switzerland, ISO brings together experts from 170+ member countries to share knowledge and develop voluntary, consensus-based standards that support innovation and provide solutions to global challenges.
A Working Group in ISO is a specialized group responsible for developing standards or technical work within a defined scope. These bodies bring together international experts to create consensus-based standards that support global trade, safety, and interoperability.