Diamond Basics
Diamond Shapes: 10 Cuts and Their Features
From round to marquise, from princess to emerald cut: we compared ten diamond shapes in one article, with the light of each, how it…
3 min readGuide and blog
Diamond Guide and Blog
Diamond Basics
What Is Diamond Fluorescence? Good or Bad?
Fluorescence is the blue glow some diamonds give off under ultraviolet light. We explain how it appears on the report, whether it affects how…
3 min read
Diamond Basics
Cubic Zirconia vs Diamond: What Is the Difference?
Cubic zirconia looks like a diamond at first glance, but it is a very different stone. We explain the differences in hardness, light, weight…
3 min read
Diamond Basics
Diamond Sparkle: What Are Brilliance, Fire and Scintillation?
A diamond's sparkle comes from three separate light effects: brilliance, fire and scintillation. We explain what decides them and what people really mean by…
3 min read
Diamond Basics
Diamond Clarity Scale: From FL to I3
Clarity is how visible the tiny marks inside a diamond are. We explain the FL, IF, VVS, VS, SI and I grades with a…
3 min read
Diamond Basics
What Do F, G and H Colour Diamonds Mean?
The diamond colour scale runs from D to Z. We explain the difference between E, F, G and H colour stones, whether you can…
3 min read
Diamond Basics
What Do Artificial and Synthetic Diamond Mean?
The words 'artificial' and 'synthetic' are used both for real lab-grown diamonds and for imitation stones. We explain which is which and how to…
3 min read
Diamond Basics
What Is a CVD Diamond? How It Differs from HPHT
CVD and HPHT are the two methods for growing lab-grown diamonds. We explain in plain language how each works, how it affects the stone…
3 min read
Diamond Basics
What Is Diamond Cut Quality? Excellent, Very Good, Good
Cut quality decides how much a diamond sparkles. We explain the difference between Excellent and Good, proportions, symmetry and polish, and where to look…
4 min read
Diamond Basics
What Is a Brilliant-Cut Diamond? From Diamond to Brilliant
A brilliant is a diamond cut in the way that returns light best. We explain why it sparkles so much, how it is graded…
3 min read
Diamond Basics
The 4Cs of Diamonds: Carat, Cut, Colour and Clarity
The 4Cs are the four criteria that determine a diamond's value. We explain what each one means, which one the eye notices most and…
3 min read
Buying Guide
What Is a Diamond Set? What to Know When Choosing One
A diamond set is a matching group of a ring, earrings, a necklace and a bracelet. We explain the types of sets, how the…
4 min read