At times there were more assay offices, but the current UK assay offices are located in London, Sheffield, Birmingham and Edinburgh. Since 1972 the UK has been part of the International Convention of Hallmarks, which helped to standardise gold hallmarks around the world.

Does all gold have a hallmark UK?

In the UK, it is a legal requirement that any gold jewellery being sold has an official hallmark from one of the four Assay Offices in the UK. Describe an un-hallmarked article as being wholly or partly made of gold, silver, platinum or palladium.

What are the UK gold hallmarks?

Gold - 375, 585, 750, 916, 999. Silver - 800, 925, 999. Platinum - 850, 900, 950, 999. Palladium 500, 950 and 999.

How do I get hallmarked jewelry UK?

To register for hallmarking, please follow this 2-step process:CUSTOMER REGISTRATION AND RE-REGISTRATION. The standard Registration fee set by the British Hallmarking Council is £60 + VAT. SPONSOR MARK AND PUNCHES.

Does 9ct gold have to be hallmarked?

There is no need to hallmark jewellery pieces with required gold hallmark identification. You can, however, describe your gold-plated pieces as silver and gold plated. For example, in your marketing material you may want to refer to your gold-plated pieces as 925 and 9ct gold plated.

Does gold need to be stamped?

In the U.S., there is a law that mandates that gold jewelry sold by a vendor must be stamped with a marking that indicates the items karat number. The law also states that the real purity of the piece can deviate by up to 0.5 karats from the karat stamp.

What if gold is not stamped?

999 or 1.000 would be pure gold and thus the same as 24 karat. Nonetheless, if an item of jewelry does not have this stamp - it is not necessarily proof positive that the item is made from fake gold. This is particularly true of older items of jewelry. Another method how to tell real gold is with a nitric acid test.

How do you know if hallmark is gold?

The hallmark on your gold jewellery must have a Bureau of Indian Standard (BIS) mark which is represented by a triangle. To ensure purity in karat and fineness, look for the Caratage (22K915). One must always look for jewellers mark and Assaying and Hallmarking Centres identification mark or number.

Will Real gold always be marked?

Does Real Gold Have to Be Stamped? In the U.S., there is a law that mandates that gold jewelry sold by a vendor must be stamped with a marking that indicates the items karat number. The law also states that the real purity of the piece can deviate by up to 0.5 karats from the karat stamp.

Can you sell gold without a hallmark?

The new amendment extends the exemption date to 1950 and allows these items to now be sold as gold, silver or platinum without a hallmark, so long as the seller can prove the fineness of the precious metal and that the item was manufactured before 1950.