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.

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.