ISO 24016:2020
International Standard
Current Edition
·
Approved on
18 September 2020
Jewellery and precious metals — Grading polished diamonds — Terminology, classification and test methods
ISO 24016:2020 Files
English
55 Pages
Current Edition
96.17 OMR
ISO 24016:2020 Scope
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.
Best Sellers
GSO 150-2:2013
Gulf Standard
Expiration dates for food products - Part 2 :
Voluntary expiration dates

OS GSO 150-2:2013
GSO 150-2:2013
Omani Standard
Expiration dates for food products - Part 2 :
Voluntary expiration dates


OS GSO 2055-1:2015
GSO 2055-1:2015
Omani Standard
HALAL FOOD - Part 1 : General Requirements


GSO 2055-1:2015
Gulf Technical Regulation
HALAL FOOD - Part 1 : General Requirements

Recently Published
ISO 19490:2025
International Standard
Dentistry — Sinus membrane elevator

ISO 8168:2025
International Standard
Aerospace — Bolts, with MJ threads, made of heat and corrosion resisting steel, strength class 1 100 MPa — Procurement specification

ISO 2903-2:2025
International Standard
ISO metric trapezoidal screw threads — Tolerances — Part 2: Limits of sizes

ISO 10545-23:2025
International Standard
Ceramic tiles — Part 23: Determination of elastic modulus for glazed and unglazed ceramic tiles, substrate and glaze layer
