The Diamond Journal

Adding Lab-Grown Diamonds to a Natural Diamond Offer: Retailer Checklist

A practical sourcing, disclosure and approval checklist for jewellery retailers adding lab-grown diamonds alongside a natural-diamond offer.

Private Label Fine Jewellery: How Buyers Compare Production Partners

A practical buyer guide to comparing private-label fine jewellery production partners without relying on headline prices or vague capability claims.

CAD to Finished Jewellery: A Buyer Approval Workflow

A practical buyer workflow for moving from jewellery CAD to an approved sample and finished production, with clear specifications, revisions and quality checks.

Small-Batch Jewellery Manufacturing: Plan Your First Production Run

A practical guide for jewellery brands planning a small production run: samples, quantities, specifications, quality checks, costs and supplier questions.

Jewellery Manufacturing RFQ Checklist: What to Send Before Asking for a Quote

A practical jewellery manufacturing RFQ checklist for independent jewellers, designers, and brands: design files, metals, stones, quantities, quality checkpoints, timing, and quotation terms.

Why Choose Custom Jewellery With Lab-Grown Diamonds？

Explore how custom jewellery and laboratory-grown diamonds can be considered together, with clear questions on stone specification, design approval and quotation scope.

The 4Cs of Diamonds Explained: Cut, Colour, Clarity, Carat

Every diamond is judged on the same four factors — but most buyers only understand one or two of them well. Here's exactly how cut, colour, clarity, and carat affect appearance, price, and value, f...

Lab-Grown vs Natural Diamonds: What's the Real Difference?

Lab-grown and natural diamonds are made of the exact same material — but the price gap between them has never been wider. Here's what actually separates the two, and how to decide which is right fo...

How Bespoke Works

A step-by-step overview of preparing a bespoke jewellery enquiry: ideas, stone and metal preferences, quotation assumptions, CAD review and final approval.

CVD vs HPHT Diamonds: How They're Made and Which Is Better

Learn the basic differences between CVD and HPHT laboratory-grown diamonds, the questions to ask about growth disclosure, reports and the stone information used in a jewellery design.