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Hallmarking sterling silver jewellery

Under the 1973 UK Hallmarking Act all sterling silver jewellery that weighs over 7.78 grams must be hallmarked at one of the UK’s assay offices.

What is a hallmark? 

A hallmark:

  • Consists of a series of marks applied to an article of precious metal
  • Means that the piece of jewellery has been independently tested
  • Guarantees that the piece of jewellery conforms to all legal standards of purity (fineness)

A complete hallmark consists of three compulsory punch marks:

  • Sponsor's mark – our unique Annie Haak Designs mark
  • Metal and fineness (purity) mark
  • Assay office mark

Assay Office London (with whom Annie Haak Designs is registered) also applies two optional marks,

  • Date mark
  • Traditional fineness mark (925)


Pieces of jewellery (this includes our individual charms) what fall under 7.78 grams in weight are exempt from hallmarking.


Annie Haak Designs

All Annie Haak Designs silver jewellery is 925 sterling silver and bears the 925 fineness mark regardless of its weight.

Annie Haak Designs fully complies with the 1973 Hallmarking Act and is registered with the London Assay Office, who independently tests and guarantees that our jewellery is 925 sterling silver, and carries out the hallmarking.

All our pieces of jewellery that weigh over 7.78 grams (generally our larger pendants) are hallmarked as required.

You can find more information about hallmarking on the London Assay Office website:

Click here to go to:

Our guarantee

Please be assured that you can buy from Anne Haak Designs with confidence that you are purchasing genuine sterling silver jewellery that with care will last a lifetime.

And of course, all our jewellery is backed by our no-quibble money-back guarantee if you're not totally delighted with your purchase.


Gold and Rose Gold items

Annie Haak Designs gold jewellery range is Assay Assured and created using high quality materials.

The gold beads are ‘Gold-filled’ and constructed in two or three layers for quality and longevity. The core metal is jewellers’ brass and the gold alloy is bonded to the outer surfaces of the brass core with heat and pressure. The beads are identified as 14/20 Gold-filled or alternatively, 14ct Gold-Filled.

The rose gold beads are ‘Rose Gold Vermeil’ and have a base of sterling silver and are plated with 18 Carat, 2.5 micron, rose gold.

In the few exceptions where the beads are ‘Gold Vermeil’, they have a base of sterling silver and are plated with 22 Carat, 2.5 micron, rose gold.

All our charms are 14ct Gold or Rose Gold Plated in Bali in 2.5micron. This is a heavy plating which increases the durability of the colour, prolonging its lifecycle. This micron measurement is considered a high quality plating.

Annie Haak Designs Sterling Silver Jewellery,

Annie Haak Designs is approved by the National Association of Jewellers

The NAJ are committed to inspiring consumer confidence, giving you the reassurance you need when you’re buying your jewellery.

“As the UK’s leading Jewellery Association, our mission is to increase confidence in the UK consumer’s purchase of jewellery; through the integrity, professionalism, governance, representation, education, training and creativity of our members” – National Association of Jewellers