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.
Diamonds & 4Cs
The 4Cs, cut shapes and lab-grown diamonds explained.
Cut, colour, clarity and carat are the four grades every diamond is sold on, and cut is the one that decides how much light comes back at you. These guides explain what each grade actually looks like on a hand, which combinations are worth paying for, and where the industry's conventional advice stops being true. We also cover the cut shapes beyond round brilliant, how a lab-grown diamond differs from a mined one, and why diamond grading reports can disagree with each other by a grade or two.
Guides in this section
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.
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.
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.