Jewelry & Gemstone Buying Guides for Wholesale Buyers
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.
3243 guides published
Written by our trade desk
Updated November 2026
Loose Lab Grown Gemstones · 8 min read · Nov 12, 2026
A size chart on a Loose Lab Grown Gemstones listing is not a nice-to-have. It is the page that stops returns. US customers buy by US size and ring size; a missi
A Loose Lab Grown Gemstones order is not one lead time. It is a calendar: sample days, stone sourcing, casting, setting, plating, QC, pack and freight. Buyers w
Three paths for Loose Lab Grown Gemstones: ready stock, made-to-order, or private label. The wrong path ties up cash in a design your channel does not sell. The
A Loose Lab Grown Gemstones lot is controlled before it ships, not after. Six QC stations and one reject rule turn a 500-piece tray from a gamble into a known n
A Loose Lab Grown Gemstones quote is five lines stacked: material, stone, labour, plating and overhead. The reason two factories quote USD 38 and USD 62 for wha
Vetting a Loose Lab Grown Gemstones supplier is the difference between a standing line and a drawer of samples. Seven checks decide whether the factory can actu
A Emerald Cut Moissanite carton arrives with more than pieces. It arrives with the asset pack: photos, spec sheet, size chart, care card and listing CSV. Buyers
A defect on a Emerald Cut Moissanite lot is not the end of the world. It is the start of a process: photo, sample reference, credit or remake. Buyers who skip t
A Emerald Cut Moissanite piece has a factory price, a wholesale price and a retail price. The ladder between them is where the margin lives. Buyers who quote on