
Polished diamonds. Classification. Requirements for sorting and grading
NORMA vydána dne 1.6.2024
Designation standards: GOST R 70856-2023
Publication date standards: 1.6.2024
The number of pages: 44
Approximate weight : 132 g (0.29 lbs)
Country: Russian technical standard
Kategorie: Technické normy GOST
Implemented changes and corrections:
Amd. 2.26