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The engagement collection
A ring as unique as your love.
Marrow Fine designs unique engagement rings featuring natural & lab-created diamonds, colored gemstones, and custom settings you won't find at traditional jewelers.
Oval
A Marrow classic for a reason.
Elegant, and effortlessly modern— the perfect ring for the bride who loves tradition with a subtle twist.
Multi-stone
Two, three, forever.
Better together. Multi-stone engagement rings, made to order in the Marrow classics— worn often, kept always.
one-of-a-kind
One of one.
One-of-a-kind engagement rings, built around rare stones we've fallen for. Hand-set in heirloom-quality gold.
Understanding the 4 C's
The 4 C's, demystified.
Cut, color, clarity, carat. The four little letters that shape every diamond— and the choice that brings you yours. Choosing a diamond can feel like a lot. There's a language, a grading system, a lot of opinions. But it really comes down to four things— and once you know what they mean, the rest gets a whole lot easier. Here's how we think about each.
Cut
The only C nature didn't make.
Cut is the one that's all artistry— the proportions, the symmetry, the way a stone catches the light. A well-cut diamond doesn't just sparkle; it has fire (those flashes of color), brilliance (the white light), and scintillation (the play of light and shadow when it moves on your hand). It's also the C with the biggest impact on how a stone reads in person — a beautifully cut diamond will always feel bigger and brighter than its carat weight suggests.
A quick note: elongated cuts like oval and marquise tend to look larger than their weight. The hand-feel matters, too.
Color
From colorless to candlelit.
Diamond color is graded D through Z — D being the rarest, completely colorless, and Z carrying a soft yellow or brown warmth. Most of what you'll see falls in the colorless (D–F) and near-colorless (G–J) range, where the differences are subtle enough that only a gemologist would catch them.
There's no wrong answer here — some people are drawn to the icy clarity of a D, others to the candlelit glow of a warmer stone. And then there are the fancies — blue, pink, yellow, green, the truly rare ones. Those play by their own rules entirely.
Clarity
The fingerprint inside the stone.
Every diamond carries its own little marks — inclusions inside, blemishes on the surface. Clarity is how we measure them, from Flawless (no inclusions under 10x magnification) all the way to Included (visible to the naked eye).
But here's the thing: most inclusions are invisible without magnification. A VS1 or VS2 stone often looks identical to a flawless one — for a fraction of the cost. We always say the best clarity is the one you can't see.
Carat
Weight, not size.
Carat is one of the most misunderstood C's. It measures weight, not size — which means two stones of the same carat can look completely different depending on the cut, shape, and setting. An oval can wear bigger than a round. A deep-cut diamond can wear smaller than its weight.
The takeaway? Carat is one piece of the picture, not the whole thing. The best stone is the one that feels right on your hand.