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Journal

Diamond Education

The 4Cs, shapes, certification and everything you need to buy with confidence.

IGI, GIA or GCAL? Choosing Certificates for Lab-Grown Diamonds

A practical guide for jewellers to IGI, GIA and GCAL certificates on lab-grown diamonds: which stones need a report, what to check on the document, and how to order certified stones from a Surat manufacturer.

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The 4Cs Explained: Choosing a Diamond With Confidence

Cut, colour, clarity and carat weight decide how a diamond looks and what it costs. Here is what each one means and where to spend your budget.

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Fluorescence, Strain and Post-Growth Treatment: Advanced Lab-Grown Buying Tips

You know the 4Cs. These are the finer points that separate a good lab-grown diamond from a great one: fluorescence, strain and treatment.

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Lab-Grown Diamond Colour Grades: Is D–F Worth It, or Is G–H Better Value?

D is the top colour grade, but is it worth paying for? How lab-grown diamond colour grades look in real life, and where the value is.

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Where to Buy Lab-Grown Diamonds in the USA: Online, In-Store or Direct

Chains, independents, online stores or direct from the maker? How to choose where to buy a lab-grown diamond in the USA, and what to check.

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How to Read an IGI Lab-Grown Diamond Report, Line by Line

Your IGI report is the passport of your diamond. What every line means, and the three things to always check.

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Which Diamond Shapes Look Biggest for Their Carat Weight?

Two diamonds of the same carat weight can look very different in size. Which shapes give you the most visible diamond, and why.

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Lab-Grown Diamond Tennis Bracelets: The Complete Buying Guide

Once a luxury few could afford, the diamond tennis bracelet has become one of the most popular lab-grown pieces. How to choose one that lasts.

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Where to Buy Lab-Grown Diamonds in New Zealand

Kiwis have more ways than ever to buy a lab-grown diamond. How to compare chains, independent jewellers, online stores and buying direct.

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