SIST EN ISO 24018:2026

Jewellery and precious metals - Specifications for 1 kilogram gold bar (ISO 24018:2020)

This document specifies the requirements, test methods, inspection, marking, packaging, transportation, storage, quality certificate and the order (or contract) information of one kilogram gold bars.
This document is applicable to one-kilogram cast gold bars produced for investment markets or industrial (jewellery, electronic) markets.

Schmuck und Edelmetalle - Vorgaben für 1 Kilogramm Goldbarren (ISO 24018:2020)

Dieses Dokument legt die Anforderungen, Prüfverfahren, Inspektion, Kennzeichnung, Verpackung, Transport, Lagerung, Qualitätszertifikate und die Bestell- (oder Vertrags-) Informationen für 1-Kilogramm-Goldbarren fest.
Dieses Dokument ist für gegossene 1-Kilogramm-Goldbarren anwendbar, die für Anlagemärkte oder industrielle Märkte (Schmuck, Elektronik) hergestellt werden.

Joaillerie, bijouterie et métaux précieux - Spécifications pour les lingots d'or de 1 kilogramme (ISO 24018:2020)

Le présent document spécifie les exigences, les méthodes d'essai, le contrôle, le marquage, l'emballage, le transport, le stockage, le certificat de qualité ainsi que les informations de commande (ou de contrat) concernant les lingots d'or d'un kilogramme.
Le présent document s'applique aux lingots d'or coulés d'un kilogramme produits pour les marchés d'investissement ou industriels (bijouterie et joaillerie, électronique).

Nakit in plemenite kovine - Specifikacije za 1-kilogramsko zlato palico (ISO 24018:2020)

Ta dokument določa zahteve, preskusne metode, inšpekcijo, označevanje, pakiranje, transport, skladiščenje, certifikat kakovosti ter informacije o naročilu (ali pogodbi) za enokilogramske zlate palice.
Ta dokument je uporaben za enokilogramske ulite zlate palice, proizvedene za investicijske trge ali industrijske (nakitne, elektronske) trge.

General Information

• Status: Published
• Public Enquiry End Date: 30-Jan-2026
• Publication Date: 12-Apr-2026
• ICS: 39.060 - Jewellery
• Technical Committee: I13 - Imaginarni 13
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 31-Mar-2026
• Due Date: 05-Jun-2026
• Completion Date: 13-Apr-2026
• Ref Project: EN ISO 24018:2026 - Jewellery and precious metals - Specifications for 1 kilogram gold bar (ISO 24018:2020)

Overview

SIST EN ISO 24018:2026 - Jewellery and precious metals - Specifications for 1 kilogram gold bar (ISO 24018:2020) - establishes harmonized, international requirements for producing, testing, and certifying 1-kilogram cast gold bars. This European Standard, adopted by CEN, provides valuable guidance for both investment and industrial markets (including jewelry and electronics sectors) to ensure quality, consistency, traceability, and market acceptance of gold kilobars. The standard covers all essential aspects, such as physical, chemical, and marking requirements, as well as testing, packaging, transportation, storage, and documentation.

Key Topics

• Fineness and Chemical Composition
  • Defines permissible gold purity levels: 995, 999, 999.5, and 999.9 per thousand (‰).
  • Sets detailed impurity thresholds for high purity bars, ensuring consistent quality in line with the most recognized international practices.
• Physical Specifications
  • Establishes acceptable mass (1,000.00 kg to 1,000.10 kg) and bar dimensions (length, width, thickness), eliminating ambiguity in production.
• Surface Quality
  • Bars must be free from cavities and significant defects, with safe, smooth edges for handling.
• Marking Requirements
  • Mandates robust and clear markings: manufacturer, metal type, mass, fineness, serial number, and optional details like year and assay marks.
• Testing and Verification
  • Specifies batch and individual testing methods, referencing established ISO gold assay standards for compositional verification.
• Security and Traceability
  • Allows for security features to deter counterfeiting, with conditions to ensure these do not affect critical characteristics.
• Documentation and Certificates
  • Requires each bar to be accompanied by a certificate of analysis, offering transparency from manufacturer to end user.
• Packaging, Transportation, and Storage
  • Provides recommendations for safe packaging (e.g., 25 bars per case) and handling to maintain bar integrity throughout the supply chain.

Applications

• Investment Sector
  • Gold kilobars are a staple in the portfolios of private and institutional investors, prized for their international liquidity and standardization. SIST EN ISO 24018:2026 ensures that bars meet recognized quality benchmarks, supporting their acceptance on exchanges and in international trade.
• Jewellery and Precious Metals Industry
  • Reliable specifications for casting, material quality, and dimensions allow jewelry makers and industrial users to confidently integrate gold bars into their processes, knowing they meet strict purity and consistency criteria.
• Electronics and Industrial Applications
  • Industries requiring precise gold content benefit from the defined chemical composition and traceability, which streamlines sourcing and quality assurance for electronic components and other advanced manufacturing needs.
• Customs, Vaults, and Logistics Providers
  • Clear compliance requirements aid customs and logistics operators in handling, verifying, and storing standardized gold bars, reducing risk and improving operational efficiency.

Related Standards

• ISO 11426 – Jewellery - Determination of gold in gold jewellery alloys - Cupellation method (fire assay): Cited for analytical testing of gold fineness up to 999.5‰.
• ISO 15093 – Jewellery and precious metals - Determination of high purity gold, platinum and palladium: Reference for difference method using ICP-OES for high-purity verification.
• LBMA Good Delivery Rules – While focused on larger bars, these rules are referenced to position the 1 kg bar specification within the broader context of international gold trade.
• ASTM B562-95 and SGEB2-2004 – Cited as commonly used standards for impurity specifications in other major gold markets, with SIST EN ISO 24018:2026 providing cross-compatibility.

SIST EN ISO 24018:2026 offers a robust foundation for harmonized gold bar production and trade, supporting secure, efficient, and transparent practices for the global jewellery, investment, and precious metals industries.

Standards Content (Sample)

SLOVENSKI STANDARD
01-maj-2026
Nakit in plemenite kovine - Specifikacije za 1-kilogramsko zlato palico (ISO
24018:2020)
Jewellery and precious metals - Specifications for 1 kilogram gold bar (ISO 24018:2020)
Schmuck und Edelmetalle - Vorgaben für 1 Kilogramm Goldbarren (ISO 24018:2020)
Joaillerie, bijouterie et métaux précieux - Spécifications pour les lingots d'or de 1
kilogramme (ISO 24018:2020)
Ta slovenski standard je istoveten z: EN ISO 24018:2026
ICS:
39.060 Nakit Jewellery
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 24018
EUROPEAN STANDARD
NORME EUROPÉENNE
March 2026
EUROPÄISCHE NORM
ICS 39.060
English Version
Jewellery and precious metals - Specifications for 1
kilogram gold bar (ISO 24018:2020)
Joaillerie, bijouterie et métaux précieux - Spécifications Schmuck und Edelmetalle - Vorgaben für 1 Kilogramm
pour les lingots d'or de 1 kilogramme (ISO Goldbarren (ISO 24018:2020)
24018:2020)
This European Standard was approved by CEN on 13 March 2026.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2026 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 24018:2026 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
The text of ISO 24018:2020 has been prepared by Technical Committee ISO/TC 174 "Jewellery and
precious metals” of the International Organization for Standardization (ISO) and has been taken over as
secretariat of which is held by DIN.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by September 2026, and conflicting national standards
shall be withdrawn at the latest by September 2026.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
Any feedback and questions on this document should be directed to the users’ national standards body.
A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the
United Kingdom.
Endorsement notice
The text of ISO 24018:2020 has been approved by CEN as EN ISO 24018:2026 without any modification.

INTERNATIONAL ISO
STANDARD 24018
First edition
2020-06
Jewellery and precious metals —
Specifications for 1 kilogram gold bar
Joaillerie, bijouterie et métaux précieux — Spécifications pour les
lingots d'or de 1 kilogramme
Reference number
ISO 24018:2020(E)
©
ISO 2020
ISO 24018:2020(E)
© ISO 2020
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: [phone]
Email: [e-mail]
Website: www.iso.org
Published in Switzerland
ii © ISO 2020 – All rights reserved

ISO 24018:2020(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Requirements . 1
4.1 Fineness . 1
4.2 Chemical composition . 2
4.3 Physical specification . 2
4.4 Surface quality . 3
4.5 Markings . 3
5 Security feature . 3
6 Certificate of analysis . 3
7 Packaging . 4
ISO 24018:2020(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates
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