Netherlands · Gemstone craft; Jewellery; Amsterdam heritage
Amsterdamse Diamantslijperij
The Amsterdam diamond cutting and polishing tradition — the city that has been the world center of diamond cutting since the 16th century when Sephardic Jewish refugees from Antwerp brought their diamond-cutting expertise to the more tolerant Dutch Republic. The Amsterdam diamantslijper reads the correct polishing quality through a loupe-and-light face-up brilliance assessment — examining the polished diamond in the face-up position under controlled lighting to read the specific light return and fire that indicates correct facet angle precision.
Risk level: Critically Endangered · Not listed; Amsterdam diamond cutting on the Dutch national heritage inventory
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