You have to delve deeper… (As a side note, keep in mind that those claims are only talking about “how many facets” super cuts have, not the clarity or color)…
The 100 Facet New Century Diamond When compared to the traditional 58 facet diamond, the 100 facet New Century exhibits dramatic improvements in light return from the depths of each gem, color, dispersion, and the scintillating sparkle we treasure.
Generally, the choice hinges upon the size of the stone, its color, clarity and the need to utilize as much of the raw diamond as possible.You shouldn’t worry if you find out that the small diamonds on a certain piece of jewelry are single-cut stones – this is normal practice and will not detract from the appearance of the jewelry.It should be noted that a diamond can be cut into a round brilliant shape and have fewer facets than the standard 57 or 58.
The beauty of a Diamond … Let’s see how single-cut and full-cut diamonds compare, and how the differences between them affect their prices.Depending on the stone’s size and clarity, for example, the visual appeal of the resulting diamond can be greatly enhanced or diminished by the cut chosen.As already mentioned, diamonds that are small (e.g., with carat weight around 1/10 of a full carat) are usually single cut.
In the jewellery world this is known as the fire, sparkle or luster of the diamond. The number of facets affects the pattern of the reflections in a diamond rather than overall brightness. Diamond Facet. A facet is a flat surface on the geometric shape of the diamond. While extra faceted diamonds may have 66, 74, 88, 100 facets or more, the quantity alone does not equal quality. Generally it will need to be viewed loose under a gemscope to see the pattern very well. In this case, the stone will not be considered a full-cut diamond.A full-cut diamond is a stone that is shaped into a round brilliant cut and has 57 or 58 facets.Having full-cut diamonds as side stones will not make any visible difference but will cost you additional dollars.Diamonds that are cut as round brilliants but have fewer than the standard 57 or 58 of facets are referred to as “single cut” (also called “melee” diamonds).Usually, round brilliants are shaped into single cuts first, and the additional facets are added afterwards, making the stone into a full-cut diamond.Not surprisingly, since cutting fewer facets into a diamond takes less work, single-cut diamonds are cheaper than full-cut ones.Not to mention that cutting 58 small facets on a tiny diamond is much harder to do than on a large stone and would make the small diamond unreasonably expensive.As a rule, single-cut diamonds will have only 17 or 18 facets (many have 16).In fact, when shopping, you should prefer those tiny stones to be single cut if you want to save money.Often, diamond cutters will try to strike a balance among a number of quality considerations in order to come up with diamond cuts that have the highest potential to sell well.One of the factors determining diamond prices is the amount of labor it takes to create a saleable stone.Single-cut diamonds are cheaper than full-cut ones.Next time you buy jewelry with accent stones, take a look at these small diamonds and check whether their color and clarity look ok; also, use a loupe to check for small chips or cracks. As already mentioned, diamonds that are small (e.g., with carat weight around 1/10 of a full carat) are usually single cut.
In this instance, each individual facet has two parts that work independently from each other: For example, if you would take a look at the brilliant cut diamond you will see the stone consists of 57 facets; the crown of the diamond has 33 facets on the top part of the girdle and 24 on the pavilion, which is underneath the girdle.
For example, by giving the diamond more facets you will only be giving it more windows in the same amount of space.
Because every facet has the potential to change a light ray’s plane of travel, every facet must be considered in any complete calculation of light paths.
Some round brilliant cut diamonds have 58 facets depending on whether the culet is included.