he 4Cs of a lab-grown diamond are no different from a mined diamond. Cut, colour, clarity and carat (4C) play an important role in the grading and authentication of all diamonds.
Nevertheless, the question arises as to how two diamonds that look exactly the same can have such a big difference in price. The simple answer is that tiny changes to the 4Cs can greatly influence their price.
However, few people know which 4C's are more important when searching for the perfect diamond jewellery for their special person. Here we explain which two C's are most important and how they will affect your search and your wallet.
Laboratory-grown diamonds: The importance of cut and clarity
To begin with, let's talk about the cut of the diamond in detail.
The cut of the stone indicates the symmetry, proportions and polish of the lab-grown diamond. Although the cut is the most difficult of the 4Cs to quantify, it has three characteristics - fire, brilliance and scintillation.
The fire indicates the distribution of light in different spectral colours, the brilliance the total amount of light reflected by the gemstone and the scintillation the flashes of sparkle or light. All these properties determine how spectacular a diamond is.
The cut of the stone determines its beauty more than any other factor. Different cuts of diamonds act like a prism that splits white light into a rainbow of colors.
Manufacturers of lab-grown diamonds would ideally endeavour to improve the light performance of loose diamonds. However, as some customers are willing to pay more for larger diamonds, there is pressure to sacrifice beauty for size. A poorly cut diamond looks dull, even if it has excellent clarity and colour.
The bad news is that the diamond cut grading report is extremely broad and does a very poor job of reflecting the true beauty of the gemstone. Two diamonds that have the same cut online can look completely different in person.
Diamond clarity
Wie die meisten Dinge, die es gibt, ist auch ein Diamant nicht vollkommen perfekt. Die Reinheit eines Diamanten steht in direktem Zusammenhang mit der Anzahl der ihm innewohnenden Unvollkommenheiten. Zu diesen Mängeln können federartige Risse, dunkle Flecken oder weisse Punkte im Edelstein gehören. Die Tatsache, dass ein im Labor gezüchteter Diamant völlig «makellos» ist, ist sehr selten und ziemlich kostspielig.
For some people, a stone with few imperfections is important. However, it would be helpful to remember that it is unlikely to detect a flaw with the naked eye unless the diamond is SI2 grade or lower. A diamond does not have to be flawless to be beautiful.
An eye-clean diamond costs only a fraction of a truly flawless diamond, but has the same appearance as a flawless diamond. Most buyers believe that sacrificing clarity is worth it for the benefits in other categories, as the flaws are not visible to the naked eye.
Depending on what is important to you, you should favour a different degree of clarity.
What does that mean for you?
The four Cs of a lab-created diamond are just as important and relevant today as they ever were. They give diamonds a universal standard and provide the authenticity and value you need in your investment.
However, you should bear in mind that the 4 Cs are only a guideline. If you are considering buying a diamond engagement ring, it would be of great benefit to understand how the individual factors affect the appearance and price of the stone.
The cut of the gemstone is crucial to the overall beauty and appearance of a diamond. Buying a higher clarity grade will not help you if your stone is poorly cut. However, the same does not apply to stones with a good cut. Even if you buy a diamond with a lower clarity grade (SI1-SI2) or a lower colour grade (G-H), an excellent cut will make it sparkle and look brilliant.
So now you know which C you need to pay the most attention to. When investing, make sure you have a good balance between all four Cs.
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