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The cut of a diamond is the first and most important of the 4Cs. It defines the beauty of a diamond because it controls how the diamond handles light.
There are two factors that impact the cut of a diamond:
In other words, there can be vast differences in the quality of the cut between two round diamonds, or two ovals, etc.
For more information on Cut, take a look at our videos on the 4C's.
There is much more to unlocking a diamond's potential than just proportions, so how can you be assured that the diamond you're considering has been cut properly? For the whole story visit any one of our Kessler® Diamond locations and let one of our friendly and knowledgeable sales associates show you what to look for in a diamond.
Clarity refers to generally minute imperfections or birthmarks, which are inherit in all diamonds. We grade for clarity though a ten-power microscope, so even those rare diamonds graded as flawless are only flawless at ten-power. If we were to go to higher magnifications we would probably find imperfections in them as well.
Under 10X magnification, a diamond's grade is one of the following:
Out of the eleven possible grades, the first eight will look the same to the naked eye under normal conditions.
For more information on Clarity, take a look at our videos on the 4Cs.
Color refers to the relative tint that the diamond material may possess.
When most diamonds form their coloring ranges from tints of yellow to brown.
A diamond's color is graded on a scale beginning with D, (absolutely colorless) and continuing through the alphabet to Z, (strongly tinted).
What most people don't understand about diamond color grading, is that this grading must be done prior to mounting the diamond, by viewing the stone in a face down position through the bottom. When the diamond is viewed from the top, (face up), there are many grades of color that are indistinguishable from each other.
For more information on Color, take a look at our videos on the 4Cs.
When you visit one of our Kessler® locations we will show you how difficult it is to determine color in a really well cut diamond, a fact that never fails to amaze our clients.
Carat weight is simply a measure of weight and is how we determine the size of a diamond.
Larger diamonds are rarer than smaller ones making them more valuable and expensive than a smaller one of the same cut and clarity.
One carat is divided into 100 points, as an example, we refer to a half-carat as a fifty pointer based upon its exact weight to the one hundredth of a carat.
Think of the points in a carat the same as you would cents in a dollar.
For more information on Carat Weight, take a look at our videos on the 4C's.