The 4Cs of Diamonds — A Simple Breakdown

Understanding the 4Cs: A Simple Guide

When it comes to choosing a diamond, the 4Cs are your best friends. They help you understand exactly what you're buying—making sure the diamond you choose matches your style, budget, and the story you want to tell.

Here's what you need to know:

Cut: The Sparkle Factor

"Cut" doesn’t mean shape (like round or oval)—it’s all about how well the diamond’s facets reflect light.
A better cut equals more sparkle, brilliance, and beauty.

Color: Clear and Simple

Diamonds are graded on color, from D (completely colorless) to Z (lightly tinted yellow or brown).
The closer to D, the rarer and generally more valuable the diamond. Lab-grown diamonds tend to score very high on the color scale—and often at a better price.

Clarity: Inside and Out

"Clarity" measures how clean the diamond is, referring to the presence of tiny inclusions (internal characteristics) or surface blemishes.
Grades range from Flawless (F) to Included (I1-I3). Most imperfections are invisible to the naked eye, so you don't need perfection to find a beautiful diamond.

Carat: Weight and Presence

"Carat" indicates a diamond’s weight—and generally how large it appears.
But remember: a beautifully cut 0.90-carat diamond often looks as impressive (and costs less) compared to a poorly cut 1.00-carat stone.

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How We Grade Diamonds at Luxsong

Every lab-grown diamond over 0.5 carats at Luxsong comes with a free IGI certification, so you can be confident in what you’re buying. Each diamond is graded to international standards—covering cut, color, clarity, and carat—giving you all the details up front, with no surprises.

Want Personalized Help?

We’re here to guide you. Whether you're choosing a gift or designing something special for yourself, we’ll help you find a diamond that matches your values, budget, and style perfectly.

Your diamond. Your story. Our promise.