- Inicio
- Centro de recursos
Nine Guides For People Who Buy Fine Jewellery Wholesale
Technical and buying guides on grading reports, lab grown against natural, karat choice by market, how a custom piece is actually made, jadeite treatment grades, Buying guides on choosing between 2D and 3D, planning a street scheme, specifying a coloured stone briefs, OEM and ODM terms, and after-sales care. Every figure comes from a specification published on this site, and where a figure does not exist the guide says so.

Reading A Diamond Grading Report Without Overpaying
The report tells you four things and implies a fifth. Only two of them are visible on a hand, and those are not the two most buyers pay a premium for.
Lea el guía
Natural Or Lab Grown Diamonds: A Supplier's Practical View
They are the same material and they behave identically at the bench. Everything that separates them is commercial, and that is exactly why the decision belongs to you rather than to your factory.
Lea el guía
18K Or 14K: Which To Specify, And When Silver Is The Right Answer
Karat is a trade-off between colour, hardness and cost, and the right answer changes by market, by product type and by how the piece will be worn.
Lea el guía
How A Custom Piece Goes From A Sketch To A Casting
Eight stages, each one cheaper to change than the next. Almost every expensive custom jewellery mistake is an approval given too quickly at stage two or three.
Lea el guía
Buying Grade A Jadeite Without Getting Burned
The grade letters describe treatment, not quality. Confusing those two is how most jade money is lost.
Lea el guía
Coloured Stones: How To Write A Brief A Factory Can Actually Buy Against
Naming a stone is not a specification. Sapphire, emerald and pearl each fail in a different way, and the brief has to say how you want them to fail.
Lea el guía
OEM, ODM And Private Label: What You Are Actually Buying
Three words used loosely by almost everyone, with materially different consequences for who owns the design and who carries the risk.
Lea el guía
What To Send A Jewellery Factory With Your First Enquiry
Six things turn a vague enquiry into a quotation on the first reply instead of the fourth. Most enquiries contain two of them.
Lea el guía
Caring For Fine Jewellery: A Crib Sheet For Retail Staff
One page of after-sales advice that prevents most of the damage customers bring back, organised by the material that is actually at risk.
Lea el guíaAsk A Question The Guides Do Not Answer
Technical questions are answered by email during office hours in Shenzhen.
