What Are The 4Cs?
The 4Cs are cut, color, clarity, and carat weight. Together they contribute to the overall beauty and value of a diamond.
Diamond cut is the single most important of the 4Cs when it comes to beauty and sparkle. With our Hearts On Fire proprietary cut, we consistently produce diamonds that sparkle better and brighter than any other diamonds on earth.
We spent years refining an in-house formula for our cut, one that returns 98% of light and precisely balances proportion, symmetry, and polish. This balance amplifies the light reflected by our diamonds, giving them a radiant, rainbow-like sparkle that catches the eye from across the room.
Poorly cut diamonds look smaller than they really are, hiding their beauty in extra weight around the bottom or sides. This gives these diamonds larger carat weights, but less sparkle.
At Hearts On Fire, we know better. Our craftsmen always cut each diamond for individual beauty and optimal light return, and never carat weight alone. This is rare in our industry, but we understand that there’s so much more to a diamond than its carat weight.
Hearts On Fire sources optically pure rough diamond crystals with exemplary clarity.
At Hearts On Fire, octahedral or double pyramid diamond crystals are our preferred rough source. These rough diamond crystals are internally pure, meaning they are clear or nearly clear when they emerge from the ground. Octahedral rough diamond crystals are rare, and form only in high temperature and pressure conditions, so they are more difficult to source than diamonds with more visible inclusions, like crystals and debris that got trapped during formation.
You never have to worry about seeing any major inclusions in Hearts On Fire diamonds—our diamonds consistently get American Gem Society (AGS) clarity ratings ranging from Flawless (absolutely no inclusions) to Slightly Included (slight characteristics that can only be seen under 10X magnification, and are generally not visible to the naked eye). See our Diamond Clarity Chart for more information.
Hearts On Fire sources only colorless and near-colorless rough diamond crystals, ensuring a clean, brilliant sparkle every single time.
When we talk about diamond color, what we’re really talking about is lack of color. The less body color, the rarer and more valuable the diamond.
At Hearts On Fire, we only sell white diamonds, with American Gem Society (AGS) color grades ranging from D (Colorless) to J (Near Colorless). See our Diamond Color Chart for more information.
Diamond carat is the measurement of the diamond’s weight- not it's size. Though diamond carat weight is the factor which most affects the price of a larger diamond, cut is the factor that determines how much sparkle and outward beauty it will have.
It’s important to keep in mind that carat refers only to a diamond’s weight, and not necessarily to its size. Even if two diamonds have the same carat weight, the cut of the diamond will affect how large the diamond appears, and how much sparkle it emits. That’s why Hearts On Fire diamonds are cut for beauty and consistency, and never for size alone.
The Hearts On Fire cut is a beautiful blend of art and science.
A guide to all the common engagement ring terms that will be helpful to know before you step into a store.
There are three main elements to a diamond’s sparkle, and we take them all into account when we cut and polish our diamonds.
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