THE SOURCING JOURNAL
Knowledge for the next decision.
Sourcing guide
How to source loose diamonds for your business
A clear buying brief makes a large inventory easier to navigate. Start with your customer, manufacturing requirements and commercial constraints.
Read guideDiamond origin
Natural and lab-grown: two distinct sourcing decisions
Natural and laboratory-grown diamonds have different origins. Professional sourcing should preserve that distinction from the first search through final disclosure.
Read guideGrading and reports
A practical guide to diamond grading reports
A grading report describes a diamond’s characteristics. Use it as one part of due diligence, alongside supplier checks and inspection of the stone.
Read guideBuying guidance
Beyond the four Cs: comparing loose diamonds
A useful shortlist combines grading information with the practical requirements of the piece you are manufacturing or sourcing.
Read guideParcel buying
A practical brief for buying diamond parcels
Parcel buying needs a different specification from single-stone sourcing. Define tolerance ranges, assortment and yield before comparing offers.
Read guide