Goldsmith's Knowledge Hub
Master the math, pricing, and business of jewellery — from scrap gold to custom manufacturing.
How gold karats work — the complete guide
What does 18K actually mean? Learn how gold purity is measured, why it matters for pricing, and how to identify karats by hallmark.
How to price scrap gold accurately
The step-by-step method professional goldsmiths use to calculate exactly what to pay for any karat of scrap gold — and protect their margin every time.
Gold alloy purity conversion — the math explained
How much 24K gold do you need to add to convert 9K gold to 18K? Here's the complete formula with worked examples for any karat combination.
Understanding jewellery manufacturing costs
Every cost component in custom jewellery manufacturing — from metal and stones to CAD, casting, and finishing. With industry benchmarks.
Setting your profit margin as a goldsmith
What margin should you charge? B2B vs B2C, market benchmarks by region, and the pricing psychology behind why higher prices sometimes sell better.
Gold price basics: spot price, merchant price, and why they differ
The gold price on your phone is not the price your supplier charges. Here's why — and how to use the right price in your calculations.
Stone setting labor costs — a regional guide
What should you pay (or charge) for stone setting? A breakdown by setting type with EU, US, and Middle East benchmarks.
How to generate professional invoices as a jeweller
What belongs on a jewellery invoice, legal requirements by country, and why your invoice is also a marketing tool.
How to use the Scrap Gold Calculator — a complete walkthrough
Step-by-step guide to calculating the exact price to offer a client selling scrap gold. Learn how weight, karat, merchant price, and your profit margin combine to give you a confident buy price every time.
How to use the Manufacturing Calculator — price any jewellery piece accurately
A complete walkthrough of Goldify's Manufacturing Calculator. Learn how to enter metal costs, labor, stones, and overhead to get an accurate selling price for any custom jewellery piece.