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.
Supplier Vetting · 12 min read · Sep 29, 2026
Suppliers want 100% T/T up front. Buyers want net 30. The middle ground is not magic — it is a deposit-and-trigger structure built over three orders.
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Supplier Vetting · 12 min read · Sep 24, 2026
14 loose stones out of 300 on arrival. This QC checklist lists the 8 defect points, the 30-second piece check, and the AQL sample size that work.
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Supplier Vetting · 12 min read · Sep 23, 2026
Tarnished plating, a wrong stone grade, and a late label are three different disputes. Each resolves faster when you document the defect before you argue about it.
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Supplier Vetting · 12 min read · Sep 20, 2026
A glossy catalog and a fast quote are not proof of a real factory. This checklist tells you what to ask, what to see, and what to test before wiring the first depos…
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Supplier Vetting · 12 min read · Sep 20, 2026
Fast WeChat replies are not a factory. Here is the document gate, video-audit walk, sample protocol and red-flag list for vetting a Chinese jewelry supplier before…
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Supplier Vetting · 12 min read · Sep 19, 2026
The cheaper quote is not always the wrong supplier. This guide matches factories vs traders to order size, design iteration needs and landed cost.
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Supplier Vetting · 12 min read · Sep 8, 2026
"925 silver" on a quote is not proof. This audit checklist tells buyers what to verify on paper, on the bench and on the tag before the first PO.
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Supplier Vetting · 12 min read · Aug 30, 2026
Most quality disputes are not about bad factories. They are about unwritten specs. Here are the five disputes that recur, and the paper that stops each one.
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Supplier Vetting · 12 min read · Aug 14, 2026
A polished showroom and a fast quote do not prove a factory. These five red flags show up after the deposit, not before the video call.
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