Guides and interactive explainers on gemstones, diamonds, metals and making jewellery, written for people in the trade and checked against named sources.
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Business & trade
Registered and unregistered design rights, copyright and how long they last in the EU, UK, USA, China and India, plus the habits that make a claim stronger.
5 Oct 2026
Metals & making
Why the same finger has four different sizes, how to convert between them without mistakes, and what to agree with your customer before production.
5 Oct 2026
