Metals & making
Ring sizes: converting US, UK, EU and Japan
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
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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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Metals & making
Briefing a manufacturer: what to send and agree before production
What a workshop needs from you before it can quote, sample and produce, and the questions to settle in writing so your first collection arrives as you imagined it.
5 Oct 2026