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London

Diamonds Factory
7 Hatton Garden
London
EC1N 8AD
Birmingham

Diamonds Factory
Shop 12
The Big Peg
Access via Warstone Lane
Birmingham B18 6NF
Manchester

Please visit our partners 'Austen & Blake'
Jewellers at
17 King Street,
Manchester,
M2 6AW
Leeds

Please visit our partners 'Austen & Blake'
Jewellers at
Unit 9, County Arcade
Victoria Quarter
Leeds, LS1 6BW
Liverpool

Diamonds Factory
Unit 3.01, Third Floor
Merchants Court,
2-12 Lord Street,
Liverpool L2 1TS

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Hallmarks

For the manufacture of jewellery and silverware, precious metals are not used in their purest forms. Instead they are alloyed with other metals. It is not possible to discern by sight or by touch what the precious metal content of an alloy is.

Our customers can rest assured that all of our products come with a guarantee of the precious metal content through the 700-year-old practice of third party independent hallmarking.

The 1973 Hallmarking Act makes it unlawful to describe an item over a certain weight as gold, silver, platinum or palladium without an independently applied Hallmark.

  • All Silver articles weighing more than 7.78 grams must be hallmarked.
  • All Gold articles weighing more than 1 gram must be hallmarked.
  • All Platinum articles weighing more than 0.5 grams must be hallmarked.
  • All Palladium articles weighing more than 1 gram must be hallmarked.

Articles below these exemption weights may be described as Gold, Silver, Palladium or Platinum without the need for a hallmark.