When making jewellery we pay attention to quality and therefore we use only the finest silver of 925/1000 pureness.
Silver jewellery weighing more than 3 grams must carry a Hallmark.
The Convention on the Control and Marking of Articles of Precious Metals is an international treaty between States on the cross border trade in precious metal articles. It was signed in Vienna in November 1972 and came into force in 1975.
The Convention provides a common set of technical requirements for the independent third party verification (hallmarking) and a Common Control Mark indicating fineness. Each member country agrees to allow goods marked with this mark to be imported without further testing and marking.
The Convention’s Common Control Mark (CCM) is the first and only international hallmark and has the same legal status as a national hallmark. The CCM is applied by national Assay Offices, designated under the terms of the Convention, to articles of gold, silver and platinum after the fineness of the alloys has been checked in accordance with agreed testing methods.
Articles bearing the CCM – together with the national Assay Office Mark, the responsibility mark (i.e. the manufacturer or sponsor) and the fineness mark indicating its purity – do not have to be re-hallmarked in the Contracting States. The national hallmark guarantees that the purity of the metal is at least that indicated by the fineness mark.