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The Cut of Your Diamond and Why it is so Important

By Edited Nov 13, 2013 1 3

People are often confused when it comes to determining what the most important characteristics of diamonds are in terms of their Cut, Color and Clarity. Along with its Cost, Diamond Cut is one of the famous four C's so important in diamond design and production. While the other 3 C's are probably more simple to understand and recognize, the Cut belongs to the group of topics which are most puzzling and most difficult to grasp, especially when we set out on a journey of selecting one perfect diamond in the sea of various jewels available on the market. Since it is not so easily grasped, it allows some jewelry sellers to play around with it, offering inferior Diamonds for considerably larger amount of money than they would otherwise do if you had the right information.

The first thing one would probably presume when it comes to cut, is that cut equals shape. You have probably heard some of the following expressions, "Princess Cut", "Emerald cut" "Brilliant Cut", "Cushion Cut" etc. The point is that Cut is a good deal more than just shape and form. Cut includes all the dimensions, mutual proportions, symmetry elements as well as the finishing touch, all up to the polishing of diamond's surface.

Diamond (19559)

On the Diamond Certification Report, the other 3 C's are neither given nor described in detail. Much more information is given on the diamond's cut, indicating how important this property of our diamond must be. Indeed, this is exactly where the best specimens are distinguished from their lower quality relatives, as perfectly cut diamond enables superior optical qualities of your diamond, that is, great sparkle, fire and splendor.

We all know that genuine diamonds are objects of nature and as such they have many imperfections, inclusions, dislocations, not so intense color, or not so Flawless Transparency etc. They are not lab created, artificial diamonds to be ideal or perfect, nor they are lab created simulants such as moissanite diamonds to be susceptible to finely tuning their color and surface. They are real objects of nature, and that is why there must be a compromise, achieved partly through determining the shape (cut) of the future gem given the properties of the rough material.

Each diamond is being cut in facets. Each facet has a specific name. Let us examine the Round Brilliant Cut, which is by far the most popular of all. There are many facts contributing to the overall shape of this cut, such as the table, bazel, star and upper girdle facets (on the top side which is also called crown), as well as lower girdle, culet and pavilion facets (on the bottom side, which is also called pavilion). The middle conjoining part is usually referred to as girdle.

Without going into too much clarifications, the most important part of the diamond is the table facet. A small table will make the overall size of the diamond look too small. A large table facet will make the diamond look larger than it is. The amount of fire, that is colored light, reflected from the diamond's surface is increased when the size of the table facet is decreased. On the other hand the amount of white light, diamond's brilliance, is increased with increasing the table size.

Therefore a moderately sized table facet is the best solution as it offers a nice combination of fire and brilliance. In percentage of the lateral diamond dimension, 60 is the best measure for this facet's size. As for the ideal balance of other dimensions, let us consider the thickness. If the diamond is too thin, it will be glassy, without too much scintillations coming out from it. If it is too thick, it will be darker without too much transparency, as there will be leakage of light at the bottom part. Again 60 % of thickness is the best solution.

So, we see that there is more information contained in the cut than it is usually supposed. There are also finer details regarding the size of the the other facets, the girdle in particular. But this is only of secondary importance.

I hope you have realized how important the cut is, and that poorly cut diamond can have way too inferior look than a diamond with proper cut, proper angles and proportions. Your diamond can be flawless in terms of its color and clarity, but if poorly cut, it will get darker shades and it will not look beautiful. I hope you realize that it is not only the point of getting superior color and clarity. All the other characteristics, and especially the cut, must be appropriate. Pay attention to the cut first, and only then look the other qualities in order to determine which is the perfect diamond for you. Your diamonds should be Certified and with excellent cut, in order to ensure you get your money's worth. Additionally, you might consider some diamond alternatives, such as blue topaz, and other types of topaz, or opal stone.
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Comments

Jun 27, 2010 8:14am
kims3003
Well done article. nicely researched and well written. A+ work!
Aug 16, 2010 6:26am
amethyst
Thanks Kims,
I appreciate taking your time to read the article.
Oct 4, 2011 5:09pm
Ddraig
I really enjoyed reading these facts. Unfortunately I will never need them, as I have promised myself that I will never purchase another diamond in my life. It just encourages the Blood diamond trade. Costume jewellery is good enough for me.
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