Understanding the 4Cs of Diamonds | Honest Edition

Choosing a diamond can feel overwhelming, but understanding the basics can make the process much easier. The 4Cs—Cut, Color, Clarity, and Carat—are the universal grading system for diamonds. We'll break it down in simple terms so you can feel confident finding the perfect stone for you.

Cut: The Sparkle Factor

Cut is arguably the most important of the 4Cs because it determines how much your diamond will sparkle. A well-cut diamond reflects light beautifully, giving you that eye-catching brilliance. Even a diamond with top color and clarity won't shine as brightly if the cut isn't great. So, if sparkle matters to you (and let's be honest, it probably does), prioritize cut.

At ROEN, we think cut, polish, and symmetry are the most important factors when selecting a diamond. These three elements ensure your stone reflects light in the most beautiful way possible, maximizing its brilliance and fire.

Color: Beauty Is in the Eye of the Beholder

Diamonds are graded from D (colorless) to Z (noticeable warmth). While D, E, and F diamonds are considered "colorless" and technically the best, don't overlook stones with a little warmth. Some people find diamonds in the G-J range more appealing because they have a softer glow. It’s all about what speaks to you. 

Pictured: An incredible, natural L-color radiant.

Clarity: Tiny Imperfections, Surprising Beauty

Clarity refers to how many tiny inclusions (or internal marks) are inside the stone. While flawless diamonds are rare (and pricey), you might be surprised how stunning and "eye clean" an SI2 clarity diamond can be—meaning no visible flaws to the naked eye. If you think your budget limits you to a smaller stone, exploring slightly lower clarity grades can often unlock a larger diamond that still looks beautiful.

Pictured: A beautiful natural K/SI1 round brilliant.

Carat: Size Matters (But It’s Not Everything)

Carat refers to the diamond's weight, which often correlates with size. But remember, two diamonds of the same carat weight can look different in size depending on their cut. If size is your priority, a trusted jeweler can help you find the perfect balance between carat weight, cut, and clarity to get the most impact for your budget.

Fluorescence: The Hidden Factor

Fluorescence isn’t part of the 4Cs, but it's important to know about. In some diamonds, fluorescence can create a hazy or milky effect under certain lighting conditions. While faint fluorescence typically has little impact, strong fluorescence may affect the stone’s overall appearance.

Tint: A Subtle Undertone

Another factor often overlooked is tint. Some diamonds may have slight undertones that can give the stone a warmer or cooler appearance. Even in stones graded as "colorless," a slight tint can make a noticeable difference. Working with a trusted jeweler can help you identify these nuances and choose the diamond that looks best to your eye.

Finding the Right Balance

At ROEN, we understand that everyone's priorities are different. Whether you're after the biggest natural diamond for your budget or a flawless, investment-grade diamond with 2A clarity, we specialize in helping you find exactly what you need.

If you’re feeling unsure about where to begin, I’d love to help you find the perfect diamond that fits your vision. Whether you're dreaming of a timeless heirloom or seeking something unexpected, I'm here to guide you every step of the way.

— Sherry S.
Co-Founder @ ROEN