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.
Custom Manufacturing · 6 min read · Apr 26, 2026
How to specify boxes, pouches, tags and certificates that survive shipping, satisfy retail expectations and carry your brand without adding more cost than the piece…
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Pricing & MOQ · 5 min read · Apr 16, 2026
Chasing unit price is the least effective way to improve your landed cost. The eight negotiable terms that move margin more than a discount, and how to ask for each…
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Compliance & Shipping · 6 min read · Apr 11, 2026
What to put on a jewellery invoice, how HS classification affects duty, why undervaluation is a bad trade, and how to keep a first shipment out of customs storage.
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Sourcing · 5 min read · Mar 24, 2026
Returns are the hidden margin killer in jewellery e-commerce. A practical programme for cutting them: sizing standards, measurement content, QC gates, photography h…
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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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Custom & OEM · 5 min read · Mar 1, 2026
A realistic week-by-week timeline from a sketch or reference photo to bulk production, including what causes the delays, how many revision rounds to budget for, and…
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Gemstones · 6 min read · Feb 28, 2026
Lab grown emerald offers the same color and optical character as mined emerald at a fraction of the cost. Here is how to specify, grade and source it at wholesale.
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Custom Manufacturing · 6 min read · Feb 17, 2026
How 10K, 14K and 18K gold behave commercially, why hallmarks and tolerances matter, and how to control metal weight — the single largest cost variable in a gold pro…
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