2026-04-10 — 6 min read
What is gemstone identification?
An introduction to the process of gemstone identification: which instruments to use, which properties to measure, and why it matters.
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2026-04-08 — 8 min read
The margin scheme for gemstones in the Netherlands
How does the margin scheme for second-hand goods and gemstones work? A practical guide for jewellers and gemstone dealers.
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