Month: April 2018

  • Hallmarking

    Hallmarking

    Hallmarks are small letters, symbols or numbers that are added onto jewellery items. The symbols have various meanings. They indicate: the metal alloy the piece was made in the place of manufacture the manufacturer The metal alloy Jewellery made from precious metals have to be hallmarked to indicate the alloy they were made in. The hallmark…

  • Protecting gems while soldering

    Protecting gems while soldering

    When doing repairs that require soldering on items that have gems in them, the jeweller needs to evaluate whether the gems will be able to withstand the heat needed to solder. Gems that cannot withstand heat may burn or discolour, and it will be safer to remove them first. Unsetting gems are not always an option…