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Understanding Diamond Cuts




Diamonds are some of the most beautiful things produced by nature; as such they should be crafted in a way that enhances their beauty. The weight, source, color and history have a lot to do with the value of a diamond, but it’s the cut of the stone that is it’s most important characteristic. Understanding why the cut is so important will aid you in your search of the perfect stone for your setting.

A diamond is beautiful in its natural form, but not in the way most people think. The finished product you see in the stores is a result of fine cutting, expert polishing and proper setting of the stone to enhance its beauty. When a rough diamond is cut, the term then is referring to the proportions and angles that are created prior to the final polish.

The proportions and dimensions in which the diamond is sliced accurately describe the definition of a cut. The specific dimensions that you see include width, depth and uniformity of the diamonds faucets. The cut details the symmetry of the diamond that accurately details how the light will pass through the stone, and how bright it will shine as well. The Gemological Institute of America has released the perfected percentage range after many years of scientific study and testing that provides utters with an accurate way to offer consumers the perfect cut. When purchasing a diamond, one that holds GIA certification is the best bet.

Consumers who are in the market for a diamond should always opt for the highest cut grade within their specific budget. This is in keeping with the fact that the cut greatly determines the overall beauty of the final stone. A diamonds interaction with the light or its shine factor is determined by its cut. A properly cut stone will allow the light to be reflected from the inside and bounced off each faucet inside the stone and then shine through the crown. In the case of a poorly cut diamond, such as one that has been given too wide or too shallow of a cut, the light will reflect internally but shine through the bottom. Narrowly cut stones will shine through its sides creating a dull overall appearance.

Refraction of light within a diamond

Most consumers assume that the shape of the diamond refers to the cut. This is not true ; there are actually many different styles of cuts that can be applied to a precious stone to have a different shine variance effect. There are three main type of cuts used for diamonds; step cuts, mixed cuts and brilliant cuts.

 Round Brilliant Cut Diamond
Brilliant Cut
Step Cut Diamond
Step cut Diamond
Mixed Cut Diamond
Mixed Cut Diamond

After the three main classes follow other types which fall under one of the aforementioned groups.

The most common or highly popular cut is the Round Brilliant Cut. In most commercials or even most jewelry stores, this is the type of diamond cut you will find. Round Old European cuts, round Swiss cuts, 144-facet cuts and the 58-facet round brilliant cut are just a few other cuts seen in many commercial diamond galleries. The 58-facet round brilliant cut is highly popular because the cut gives off a sense of brilliance and fire once the stone is polished and set. There is a mathematical process used to cut the stone that allows for the maximum amount of light to arise from the crown regardless of the clarity of the diamond.

Consumers in the market for a pre-cut diamond can confirm the cut and grade of their diamond on the certificate of authenticity that accompanies every legitimate stone. The majority of pre-cut diamonds on the market are of the round brilliant cut class, though other cuts can also easily be found. Even a highly graded diamond with several carats and flawless clarity won’t look spectacular without a proper cut.

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