prEN ISO 24016
Jewellery and precious metals - Grading polished diamonds - Terminology, classification and test methods (ISO 24016:2020, including corrected version 2024-03)
Draft NewProject stage codes
1. Prioritetinių darbo temų pažymėjimas ir ekspertų skyrimas
2. Projektas
3. Viešoji apklausa
From 2025-11-28
till 2026-01-25
4. Closure of enquiry
5. Submission to Formal Vote
Organisation
CEN Europos standartizacijos komitetasICS
39.060 - JewelleryTechnical Committee
TK 48 JewelleryForeignTC'S
CEN/TC 410Number of comments
0Comment start date
2025-11-28Scope
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