ISO INTERNATIONAL STANDARD 24016 First edition 2020-09 Jewellery and precious metals - Grading polished diamonds Terminology, classification and test methods Joaillerie et métaux précieux - Classification des diamants taillés - Terminologie, graduations et méthodes d'essai Reference number IS0 24016:2020(E) ISO @ ISO 2020 IS0 24016:2020(E) COPYRIGHTPROTECTEDDOCUMENT @ 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 40i : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +4122 749 0111 Email: copyright@iso.org Website: www.iso.org Published in Switzerland ii @ IS0 2020 - All rights reserved