Diamonds & 4Cs
Three 4C Myths You Should Stop Believing
The pieces of conventional wisdom about the 4Cs that are just not true. Includes the "eye-clean" lie and the "colourless is best" trap.
All guides & articles
4 articles in the knowledge base. Filter by topic below.
Diamonds & 4Cs
Emerald vs Round Cut: Which Shape Suits You?
Round brilliants are safe and bright; emerald cuts are modern and graphic. Here is how to choose between the two.
Diamonds & 4Cs
What Is a Lab-Grown Diamond?
Lab-grown diamonds are chemically identical to mined ones but cost less. Here is how they are made, how they are graded, and what to know before you buy.
Diamonds & 4Cs
The Diamond 4Cs Explained Simply
Cut, colour, clarity and carat — what each one actually means, which ones matter most, and where you can save money without anyone noticing.