BS EN ISO 18323:2015 BSI Standards Publication Jewellery Consumer confidence in the diamond industry bsi. ..making excellence a habit. BSENISO18323:2015 BRITISHSTANDARD National foreword This British Standard is the UK implementation of EN ISO 18323:2015 The UK participation in its preparation was entrusted to Technical Committee STl/53, Specificationsand test methods for jewellery and horology. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. @ The British Standards Institution 2015. Published by BSI Standards Limited 2015 ISBN9780580810565 ICS 39.060 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards PolicyandStrategyCommitteeon31July2015. Amendments/corrigenda issued since publication Date Textaffected EUROPEANSTANDARD EN ISO18323 NORMEEUROPEENNE EUROPAISCHENORM July 2015 ICS39.060 English Version Jewellery - Consumer confidence in the diamond industry (isO 18323:2015) Bijouterie - Confiance du consommateur dans I'industrie du Schmuck - Kundenvertrauen in die Diamantindustrie (ISO diamant (ISO 18323:2015) 18323:2015) This European Standard was approved by CEN on 21 February 2015. 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 status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. cen EUROPEAN COMMITTEEFOR STANDARDIZATION COMITE EUROPEEN DE NORMALISATION EUROPAISCHES KOMITEE FUR NORMUNG CEN-CENELECManagementCentre:AvenueMarnix17,B-1000Brussels @2015CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 18323:2015 E worldwide for CEN national Members. BSENISO18323:2015 ENISO18323:2015 (E) Europeanforeword collaboration with Technical Committee CEN/TC410 "Project Committee - Consumer confidence and nomenclature in the diamond industry" the secretariat of which is held by DIN. text or by endorsement, at the latest by January 2016, and conflicting national standards shall be withdrawn at the latest by January 2016. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany,Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice 3 BSENISO18323:2015 IS0 18323:2015(E) Contents Page Foreword. ..iv Introduction. .. 1 Scope. ..1 2 Terms and definitions. ..1 2.12 Characteristics. 2.13 Treatments .3 2.14 Documentation .4 3 Disclosure .4 3.1 Misuse of terminology 4 3.2 A Diamond 3.3 Treated diamond 4 3.4 Synthetic diamond .4 ..4 3.5 Composite stone 3.6 Imitations ofdiamond .5 3.7 Gemston