GIA, IGI & GCAL Certified
SAAT

The SAAT journal · Diamond education

A little knowledge.
A lifetime of brilliance.

From your first question to your final choice. Explore our practical guides to diamonds, craftsmanship, and finding the one.

Explore the guides
13 expert guides4 essential collectionsMade for you
Diamond jewellery in close detail

Start with the essentials

The 4Cs of Diamonds

Four qualities. One extraordinary stone.

Diamond Basics

The fundamentals of diamonds — what they are, how they're formed, and what sets each stone apart.

3 articles
Guide 01

The 4Cs of Diamonds

Cut, colour, clarity, and carat — the universal diamond grading system explained.

6 min read

Guide 02

Diamond Shapes Guide

Round, princess, oval, cushion, emerald — choosing the right shape for your style.

5 min read

Guide 03

Natural vs Lab Grown Diamonds

Same chemistry, same beauty, different origin — making the choice that's right for you.

5 min read

Grading & Certifications

How diamonds are evaluated and certified — the grading scales, labs, and reports that protect your purchase.

4 articles
Guide 01

Color & Clarity

How to read color and clarity grades — and where to compromise smartly.

4 min read

Guide 02

Understanding Certificates

GIA, IGI, GCAL, AGS — how diamond certificates work and which to trust.

4 min read

Guide 03

Diamond Cut Grade Explained

Why cut is the most important of the 4Cs — and how to evaluate it.

5 min read

Guide 04

SAAT Diamond Cut Standards

SAAT Select Cut versus GIA Triple Excellent — how we screen every diamond's cut.

7 min read

Buying Guides

Practical, expert guidance for buying diamonds, selecting metals, and finding the right fit.

5 articles
Guide 01

How to Buy an Engagement Ring

A practical, no-nonsense walkthrough — budget, shape, cut, setting, metal, and sizing, from first browse to final build.

8 min read

Guide 02

Ring Sizing Guide

How to find your ring size at home — accurately and confidently.

3 min read

Guide 03

Metal Guide

Platinum, white gold, yellow gold, rose gold — choosing the right metal for your ring.

4 min read

Guide 04

How Diamonds Are Priced

What makes up the price you see, why it varies, how it holds over time, and how to read your ring builder total.

6 min read

Guide 05

Before You Buy Jewellery

How to read prices, diamond descriptions, reports, and terms before you commit.

9 min read

Care & Value

How to care for your jewellery daily, maintain its brilliance, and understand the long-term value of your investment.

1 article
Guide 01

Caring for Fine Jewellery

Daily habits and professional care that keep your pieces looking as beautiful as the day you received them.

4 min read

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