Trade knowledge base
Practical, factory-level guides on sourcing lab grown diamonds, moissanite and gemstone jewelry: how grades really work, what certification means for customs and resale, how MOQ and tiered pricing behave, and how to compare landed cost between suppliers.
Sourcing & Trade · 6 min read · Sep 19, 2026
Seven demand shifts visible in real wholesale order data for 2025 — from mixed-metal stacking to larger certified centre stones — and what each means for your next…
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Sourcing & Trade · 6 min read · Sep 9, 2026
What an IGI report and a GRA card actually tell you, which claims they do not support, and the five checks that catch a mismatched certificate before it reaches you…
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Sourcing & Trade · 6 min read · Aug 21, 2026
Nine checks that separate a real moissanite manufacturer from a trading company with a website: facility evidence, sample behaviour, pricing structure, documentatio…
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Sourcing & Trade · 6 min read · May 8, 2026
MOQ is a production constraint, not a sales tactic. Here is how factories calculate it, which levers genuinely move it, and how to trade quantity for terms without…
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Sourcing & Trade · 6 min read · Mar 21, 2026
A structured way to compare Chinese jewellery manufacturers on capability, consistency, communication and commercial terms — with the questions that reveal the diff…
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Sourcing & Trade · 6 min read · Mar 6, 2026
Why parcel buying is the highest-leverage skill in wholesale stones, how to read a parcel breakdown, and the sorting workflow that turns a mixed lot into matched, s…
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