Czech Hallmarks for Gold, Silver and Platinum Jewelry
Overview of currently valid Czech hallmarks issued by the Assay Office of the Czech Republic.
Hallmarks serve as an indisputable guarantee that jewelry and other precious metal products meet the legally required precious metal content.
Knowledge of hallmarks is crucial for verifying product quality and complying with legal standards. All precious metal jewelry offered at Arete Diamond is properly hallmarked in accordance with Czech hallmarking law.
This overview provides a quick and easy reference for identifying Czech hallmarks that you may encounter on jewelry in our e-shop.
Hallmark
Gold
999/1000
986/1000
900/1000
750/1000
585/1000Silver
999/1000
959/1000
925/1000
900/1000
835/1000
800/1000Plaatina
999/1000
950/1000
900/1000
850/1000
800/1000Special Marks
Old gold items below minimum legal purity
Old silver items below minimum legal purity
Metal Marks
Gold hallmark (čejka)
Used until 1993 for 585/1000 purity
Responsibility Mark
Responsibility mark of UMARUTTI s.r.o. — Mark: UMA, Type: VIII, Group: 2
Convention Marks
Common control marks recognized between member countries of the Hallmarking Convention.
Platinum (Pt)
500
600
850
900
950
999Gold (Au)
375
417
585
750
800
916
990
999Palladium (Pd)
500
950
990
999Silver (Ag)
800
830
835
925
958
990
999Fineness Mark
Pt
500
600
850
900
950
999
Au
375
417
585
750
800
916
990
999
Pd
500
950
990
999
Ag
800
830
835
925
958
990
999
Convention Member Countries
Marks of individual assay offices of member states.
Austria
Croatia
Cyprus
Czech Republic
Denmark
Finland
Hungary
Ireland
Israel
Italy
Latvia
Lithuania
Netherlands
Norway
Poland
Portugal
Serbia
Slovenia
Slovakia
Sweden
Switzerland
United Kingdom
Language Clause
Tento dokument může být vyhotoven v českém jazyce a v jiných jazykových verzích. V případě jakýchkoliv rozporů mezi českou verzí a verzí v jiném jazyce má přednost české znění.
This document may be executed in Czech and in other language versions. In the event of any discrepancies between the Czech version and any other language version, the Czech version shall prevail. The only legally binding version of this document is the Czech language version. All translations into other languages are provided for informational purposes only and are not legally binding.
We trust this overview will be a useful tool for you. If you have any questions regarding hallmarking or our products, please do not hesitate to contact us.
The website operator has an agreement with the Assay Office for anonymous online control purchases.