How to Pick a Diamond: The 4Cs Made Simple
Cut, Color, Clarity, Carat — what each one means and where to spend your budget.
Every diamond is graded on four characteristics known as the 4Cs. Understand these and you can pick a beautiful stone with confidence — and know exactly where it's worth spending more.
| The C | What it means |
|---|---|
| Cut | How well it's faceted — the biggest driver of sparkle. Prioritize this. |
| Color | How colorless it is, graded D (colorless) to Z (tinted). |
| Clarity | How free of inclusions. Many are invisible to the naked eye. |
| Carat | Weight — not the same as visible size. |
Where to spend, where to save
Prioritize cut — it makes the biggest difference to brilliance. You can often save on color and clarity by choosing grades that look flawless to the eye but cost less (the “eye-clean” sweet spot).
For a deeper look at each, see Diamond Color Grades and our Carat guide.
The moissanite shortcut
One reason moissanite is so popular: it's naturally high in clarity and color, so there's far less to weigh up. You mostly just pick the cut and size you love. Start with our cut guide.
FAQs
Which of the 4Cs matters most?
Cut — it has the biggest effect on how much a stone sparkles.
Do I need the highest clarity grade?
Usually not — an 'eye-clean' stone looks flawless without paying for the very top grades.
Pick With Confidence
High-clarity, brilliant moissanite rings in every cut and size.
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