Registration with the Assay Office

Our company Buka Jewelry, s.r.o. is registered with the Assay Office in Czechia for the following types of activities: electronic commerce (E), business activity - jewellery (J).


Assay Office: Kozí 4, 110 00 Prague 1, Czechia, www.puncovniurad.cz
Responsibility brand: Buka Jewelry
We have been assigned the following liability mark under which we are registered with the Assay Office.

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Hallmarking of our jewellery

We use our mark and hallmark to mark jewellery that is subject to hallmarking control §27 of Act No. 539/1992 Coll. (silver from 3.50 grams; gold from 0.53 grams). We do not use our mark or hallmark for jewellery with a sub-limited net weight of precious metal, but only the purity number.

The purity numbers

925 - AG (argentum) 925/1000 silver 

585 - AU (aurum) 585/1000 14 carat gold 585 parts gold / 415 parts other metals

750 - AU (aurum) 750/1000 18 carat gold - 750 parts gold / 250 parts other metals.

999 - AU (aurum) 999/1000 24 carat pure gold with no other metals mixed in.