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
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.
GUIDE 01The 4Cs of Diamonds
Cut, colour, clarity, and carat — the universal diamond grading system explained.
Diamond Shapes Guide
Round, princess, oval, cushion, emerald — choosing the right shape for your style.
Natural vs Lab Grown Diamonds
Same chemistry, same beauty, different origin — making the choice that's right for you.
Grading & Certifications
How diamonds are evaluated and certified — the grading scales, labs, and reports that protect your purchase.
Color & Clarity
How to read color and clarity grades — and where to compromise smartly.
Understanding Certificates
GIA, IGI, AGS — how diamond certificates work and which to trust.
Diamond Cut Grade Explained
Why cut is the most important of the 4Cs — and how to evaluate it.
Buying Guides
Practical, expert guidance for buying diamonds, selecting metals, and finding the right fit.
GUIDE 01Diamond Buying Guide
A practical, no-nonsense walkthrough for buying your first fine diamond.
GUIDE 02Ring Sizing Guide
How to find your ring size at home — accurately and confidently.
GUIDE 03Metal Guide
Platinum, white gold, yellow gold, rose gold — choosing the right metal for your ring.
GUIDE 04How Diamonds Are Priced
What makes up the price you see, why it varies, and how to read your ring builder total.
GUIDE 05Ring Buying Guide
Choosing a setting, a metal, and getting the size right — from first browse to final build.
Care & Value
How to care for your jewellery daily, maintain its brilliance, and understand the long-term value of your investment.
GUIDE 01Caring for Fine Jewellery
Daily habits and professional care that keep your pieces looking as beautiful as the day you received them.
GUIDE 02Understanding Diamond Value
What drives diamond prices, how value holds over time, and how to think about your purchase as an investment.
Still have questions?
Ask our gemologists
Every question is a fair question. Book a free consultation or send us a message — our team responds the same day.