Decoding Jewellery Hallmarks: Your Essential Guide to Irish & UK Precious Metal Marks

Decoding Jewellery Hallmarks: Your Essential Guide to Irish & UK Precious Metal Marks

May 04, 2025

Wondering how to tell if your jewellery is genuinely gold, silver, or platinum? This essential guide from Moores Jewellers demystifies the hallmarking system in Ireland and the UK, explaining what each symbol means, how to spot fakes, and why proper hallmarking is crucial for trust and value. Learn how to read sponsor’s marks, fineness stamps, and the famous Dublin Assay Office harp, and discover how Moores Jewellers can assist with authentication, testing, and valuations for your peace of mind.

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Platinum

Platinum

September 17, 2017

Platinum is the most rare precious metal. It’s so rare that all of the platinum ever mined could fit into the average American living room. That’s a key part of its prestige. That’s also why it’s a fitting choice for the most significant, meaningful, and rare moments in life.

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Platinum vs. White Gold

Platinum vs. White Gold

September 17, 2017

Platinum and white gold are two very different metals. The biggest differences between platinum and white gold are that platinum is a naturally white metal, and is more dense and durable. 

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