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3 results for “9 carat vs 18 carat” in Craft
Craft · 22 July 2026
Hallmarks and Assay: How Anyone Proves Gold Is Gold
…reads only the surface. · Karat and fineness describe the same thing on different scales: 18ct is 750 parts per thousand gold. · Plating, filling and surface enrichment are the failure modes that surface-reading instruments miss. · Hallmarking regimes differ sharply by country, s…
Yusuf Demir · 12 min read
Craft · 3 August 2026
The Wedding-Season Bid: How Jewellery Demand Sets the Floor
…retaining enough alloy for the metal to survive being worn. Western markets favour 14 and 18 karat, which are harder and cheaper but hold far less metal. · What are making charges? The fabrication cost a jeweller adds to the metal value: labour, wastage during working, design and…
Yusuf Demir · 16 min read
Craft · 5 June 2026
The Alchemy of Craft: What Goldsmiths Know That Machines Don't
…t wear; alloying trades purity for hardness and colour. · Karat is a fraction out of 24 — 18k is 75 per cent gold by mass. · Ancient techniques such as granulation and repoussé remain hand skills with no full machine equivalent. · CAD and casting have displaced volume production,…
Yusuf Demir · 11 min read
