Radiant cut diamonds occupy a special place in the hearts of diamond enthusiasts thanks to the famous and distinctive cross pattern that forms when light passes through a high-quality radiant cut. From a technical standpoint, radiant cut diamonds incorporate aspects of both round diamonds and square ones, and as such there are a unique set of parameters you’ll need to understand in order to make an informed purchase when shopping for radiant cut diamonds.
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Radiant Cut Diamonds – The Basics
Radiant cut diamonds are mixed cuts, meaning that its design features elements of the standard round brilliant cut, as well as some from step cuts such as the emerald cut or Asscher cut. Like most mixed cuts, the radiant cut is a relatively new arrival on the scene, and it still isn’t as widely available as the round brilliant.
Radiant cut diamonds are like step cuts in that their overall shape is square or rectangular, with a length to width ratio usually falling in the range of 1.0 to 1.2. Unlike most step cuts, though, the radiant cut features small, rounded facets, not unlike those found on round diamonds. Actually, radiant cuts tend to have an even greater number of facets than round brilliant diamonds of similar size. The ideal facet count for radiant cut diamonds is considered to be around 70, whereas round brilliants usually have 60 or fewer. The result is that radiant cuts have a great shine and sparkle, even when the interior of the diamond has a small number of flaws.
Radiant Cut Diamonds – Advantages
Much like the round brilliant, the radiant cut helps to emphasize the natural clarity of the diamond while hiding its natural flaws to the greatest possible extent. From a value standpoint, this means that diamonds with the radiant cut can be very beautiful in appearance even when they have lower certification grades, and thus cost less than higher-grade diamonds.
The radiant cut is uniquely beautiful. When viewing a radiant cut from the front, you can see a distinct diagonal cross pattern in between the fiery areas of the diamond. This makes radiant cut diamonds a truly eye-catching type of stone, ideal as the centerpiece in a ring setting.
Radiant Cut Diamonds – Finding The Best Value
The radiant cut is a relatively “defensive” cut, in that it doesn’t have the potential for flaw exposure that you can get with long-faceted step cuts such as the emerald cut. Also, the radiant cut doesn’t suffer from the coloration seepage issues that other cuts with rounded corners, such as the Asscher cut, can sometimes experience. So, there aren’t really any major issues you need to look out for when choosing radiant cut diamonds.
Instead, you can apply the same parameters as with round brilliant diamonds in order to find a good value. Look for the following certification grades: the cut grade should be “Very Good” or “Good;” the clarity grade should be SI1 or SI2; the color grade should be G, H, or I; and the carat weight should be 1 or lower.
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