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
Lab Grown Zircon Heart Cut · 8 min read · Nov 12, 2026
A Lab Grown Zircon Heart Cut order is not one lead time. It is a calendar: sample days, stone sourcing, casting, setting, plating, QC, pack and freight. Buyers
Three paths for Lab Grown Zircon Heart Cut: ready stock, made-to-order, or private label. The wrong path ties up cash in a design your channel does not sell. Th
A Lab Grown Zircon Heart Cut 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
A Lab Grown Zircon Heart Cut quote is five lines stacked: material, stone, labour, plating and overhead. The reason two factories quote USD 38 and USD 62 for wh
Vetting a Lab Grown Zircon Heart Cut supplier is the difference between a standing line and a drawer of samples. Seven checks decide whether the factory can act
A Loose Lab Grown Diamond Stones, Calibrated by Shape carton arrives with more than pieces. It arrives with the asset pack: photos, spec sheet, size chart, care
A defect on a Loose Lab Grown Diamond Stones, Calibrated by Shape lot is not the end of the world. It is the start of a process: photo, sample reference, credit
A Loose Lab Grown Diamond Stones, Calibrated by Shape piece has a factory price, a wholesale price and a retail price. The ladder between them is where the marg
A Loose Lab Grown Diamond Stones, Calibrated by Shape piece travels 8,000 miles to a US store. Five layers protect it. The MOQ on each layer decides whether the