ISO 9202:2026
(Main)Jewellery and precious metals — Fineness of precious metal alloys
Jewellery and precious metals — Fineness of precious metal alloys
This document specifies a range of fineness of precious metal alloys recommended for use in the field of jewellery. NOTE There is a possibility that national legal requirements for the designation, marking and stamping of finished articles exist in the respective countries.
Joaillerie, bijouterie et métaux précieux — Titre des alliages de métaux précieux
Le présent document spécifie une gamme de titre pour les alliages de métaux précieux d’usage recommandé en joaillerie-bijouterie. NOTE Il peut exister des exigences légales nationales relatives à la désignation, au marquage et au poinçonnage des articles finis dans les pays en question.
General Information
- Status
- Published
- Publication Date
- 19-May-2026
- Technical Committee
- ISO/TC 174 - Jewellery and precious metals
- Current Stage
- 6060 - International Standard published
- Start Date
- 20-May-2026
- Due Date
- 04-Nov-2026
- Completion Date
- 20-May-2026
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ISO 9202:2026 - Jewellery and precious metals — Fineness of precious metal alloys
ISO 9202:2026 - Joaillerie, bijouterie et métaux précieux — Titre des alliages de métaux précieux
Relations
- Consolidates
FprEN ISO 9202 - Jewellery and precious metals - Fineness of precious metal alloys (ISO/FDIS 9202:2026) - Effective Date
- 12-Feb-2026
- Consolidates
ISO 16147:2020 - Small craft — Inboard diesel engines — Engine-mounted fuel, oil and electrical components - Effective Date
- 07-Jan-2025
- Effective Date
- 07-Jan-2025
Overview
ISO 9202:2026 – Jewellery and precious metals - Fineness of precious metal alloys is an international standard developed by ISO Technical Committee 174. This document establishes a standardized range of fineness values for precious metal alloys, such as gold, platinum, palladium, and silver, used in the jewellery industry. The standard ensures consistency in determining and declaring the fineness of jewellery alloys, facilitating international trade and consumer trust. While ISO 9202:2026 recommends recognized ranges and test methods for fineness, national regulations may also govern the designation, marking, and stamping of finished articles.
Key Topics
Fineness Definition
Fineness is defined as the content of the named precious metal in an alloy, expressed as parts per thousand (‰) by mass. The standard specifies acceptable minimum fineness values, prohibiting minus tolerances.Alloy Types Covered
- Gold
- Platinum
- Palladium
- Silver
Authorized Analytical Methods
The standard references internationally recognized methods for determining metal content, including gravimetry, cupellation, potentiometry, and modern spectrometric techniques such as ICP-OES and SPARK-OES.Minimum Fineness Ranges
It presents a structured list of fineness values for each precious metal alloy, ensuring harmonized quality benchmarks in the jewellery sector.Interaction with Local Regulations
ISO 9202:2026 acknowledges that national legislation may require additional or specific practices regarding the marking and stamping of jewellery articles.
Applications
ISO 9202:2026 plays a vital role in the global jewellery supply chain, supporting:
Jewellery Manufacturers and Designers
Ensures raw material selection meets recognized standards for gold, platinum, palladium, and silver content, building consumer confidence.Assay Offices and Testing Laboratories
Provides guidance on standardized test methods for determining the fineness of precious metal alloys, allowing for reliable and repeatable results.Importers, Exporters, and Retailers
Facilitates the smooth exchange of precious metal jewellery products by providing common benchmarks, reducing technical barriers to trade.Regulators and Certification Bodies
Offers a foundation for legal and voluntary certification schemes, complementing local hallmarking laws and consumer protection initiatives.Consumers
Increases transparency and assurance regarding the precious metal content of purchased jewellery, helping buyers make informed choices.
Related Standards
For accurate determination of precious metal fineness, ISO 9202:2026 references several key analytical standards, including:
- ISO 11426 – Determination of gold (cupellation/fire assay)
- ISO 11210 – Determination of platinum (gravimetry)
- ISO 11427 – Determination of silver (potentiometry)
- ISO 11490 – Determination of palladium (gravimetry)
- ISO 11494 / ISO 11495 – Determination of platinum and palladium (ICP-OES)
- ISO 15093 / ISO 15096 / ISO 18214 – Determination of high-purity precious metals (ICP-OES / SPARK-OES)
- ISO 13756 – Alternative methods for silver
- ISO 19376-1 – Vocabulary for precious metals and units
These standards support the technical accuracy and global reliability of precious metal fineness declarations in the jewellery industry.
By adopting ISO 9202:2026, organizations can ensure compliance with international best practices for precious metal alloys in jewellery, streamline quality assurance, and support global market access.
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ISO 9202:2026 - Jewellery and precious metals — Fineness of precious metal alloys
ISO 9202:2026 - Joaillerie, bijouterie et métaux précieux — Titre des alliages de métaux précieux
Frequently Asked Questions
ISO 9202:2026 is a standard published by the International Organization for Standardization (ISO). Its full title is "Jewellery and precious metals — Fineness of precious metal alloys". This standard covers: This document specifies a range of fineness of precious metal alloys recommended for use in the field of jewellery. NOTE There is a possibility that national legal requirements for the designation, marking and stamping of finished articles exist in the respective countries.
This document specifies a range of fineness of precious metal alloys recommended for use in the field of jewellery. NOTE There is a possibility that national legal requirements for the designation, marking and stamping of finished articles exist in the respective countries.
ISO 9202:2026 is classified under the following ICS (International Classification for Standards) categories: 39.060 - Jewellery. The ICS classification helps identify the subject area and facilitates finding related standards.
ISO 9202:2026 has the following relationships with other standards: It is inter standard links to FprEN ISO 9202, ISO 16147:2020, ISO 9202:2019. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
ISO 9202:2026 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
International
Standard
ISO 9202
Fourth edition
Jewellery and precious metals —
2026-05
Fineness of precious metal alloys
Joaillerie, bijouterie et métaux précieux — Titre des alliages de
métaux précieux
Reference number
© ISO 2026
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Published in Switzerland
ii
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Analytical methods for determining fineness . 2
5 Range of fineness . 2
iii
Foreword
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...
Norme
internationale
ISO 9202
Quatrième édition
Joaillerie, bijouterie et métaux
2026-05
précieux — Titre des alliages de
métaux précieux
Jewellery and precious metals — Fineness of precious metal
alloys
Numéro de référence
DOCUMENT PROTÉGÉ PAR COPYRIGHT
© ISO 2026
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Publié en Suisse
ii
Sommaire Page
Avant-propos .iv
1 Domaine d’application . 1
2 Références normatives . 1
3 Termes et définitions . 1
4 Méthodes d’analyse pour déterminer le titre . 2
5 Gamme de titre . 2
iii
Avant-propos
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