ISO/WD 26016

Jewellery and precious metal — Grading cultured pearl — Terminology, classification and test methods

General information

Current stage: 20.20 Working draft (WD) study initiated Jul 31, 2026

Originator: ISO

Owner: ISO/TC 174 Jewellery and precious metals

Type: International Standard

Scope

This document specifies terminology,classsification and test methods that are used for grading and discription of cultured pearl, This document also specified the requirements for graders, and basic contents of grading reports..

Life cycle

NOW

IN_DEVELOPMENT
ISO/WD 26016
20.20 Working draft (WD) study initiated
Jul 31, 2026