Cut
A well-cut and well-proportioned diamond allows the maximum amount of light to enter, reflect and return to your eye. Any variation of these optimal proportions allows “light leakage”, and diminishes the value of the stone. Cut refers to whether a diamond is properly proportioned. It should be your most important consideration, even though cut is the least talked about component of diamond value. Differences in color or clarity may be detectable only by experts, and might even be invisible to the naked eye. Differences in cut can result in dramatic differences in appearance. It is the cut that provides a diamond with brilliance, and brilliance is what diamonds are all about. Unless you have unlimited funds, buying a diamond requires a series of compromises. Finding the diamond you want may involve choosing a lower color and clarity, or lowering your desired carat weight for a finer quality stone. Both these compromises are rational, but you should never sacrifice on quality of cut. Here at A Jour we pride ourselves in providing top to very well cut diamonds to all our customers.1. Ideal cut. All the light gets reflected.2. and 3. Due to the wrong cut, light is lost.The nice reflection and sparkling is also called the “fire of the diamond.“The Belgian, Marcel Tolkowsky, calculated in 1919 what he believed were the ideal cutting angles and proportions to allow the best balance between brilliance and dispersion. Here is a graphic of his calculations.
A well-cut and well-proportioned diamond allows the maximum amount of light to enter, reflect and return to your eye. Any variation of these optimal proportions allows “light leakage”, and diminishes the value of the stone. Cut refers to whether a diamond is properly proportioned. It should be your most important consideration, even though cut is the least talked about component of diamond value. Differences in color or clarity may be detectable only by experts, and might even be invisible to the naked eye. Differences in cut can result in dramatic differences in appearance. It is the cut that provides a diamond with brilliance, and brilliance is what diamonds are all about. Unless you have unlimited funds, buying a diamond requires a series of compromises. Finding the diamond you want may involve choosing a lower color and clarity, or lowering your desired carat weight for a finer quality stone. Both these compromises are rational, but you should never sacrifice on quality of cut. Here at A Jour we pride ourselves in providing top to very well cut diamonds to all our customers.1. Ideal cut. All the light gets reflected.2. and 3. Due to the wrong cut, light is lost.The nice reflection and sparkling is also called the “fire of the diamond.“The Belgian, Marcel Tolkowsky, calculated in 1919 what he believed were the ideal cutting angles and proportions to allow the best balance between brilliance and dispersion. Here is a graphic of his calculations.
The “Round Brilliant Cut,“ with its 58 facets, is still the most popular cutting style for diamonds today.What Should the Educated Customer Know?These gradings are used to determine the price of diamonds. Please look at the price chart below.Example: Price per stone for one carat diamonds in US $ (prices as of December 2001!!). Use the chart below as a reference to understand the relations and differences between diamonds of the same size.
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