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Diamond Certificate

Wondering what diamond certification is? Well, it guarantees that the diamond you receive is worth the price you paid. Let’s learn about its importance and why it matters in this blog. Buying a diamond is a tedious process; you have to look for a perfect fit from thousands of options that match your tastes and suit your pocket. Furthermore, it doesn’t stop here. You must hunt for sufficient documentation to support the legitimacy of your diamond. Diamond certification is a crucial aspect of the buying process as it provides an objective evaluation of the diamond's quality and characteristics. This certification is typically issued by reputable gemological laboratories and includes detailed information about the diamond's cut, clarity, color, and carat weight. Having this documentation not only ensures that you are getting what you paid for but also gives you peace of mind knowing that your diamond has been thoroughly assessed by experts in the field. One obvious difference between them is their price tag. Certified diamonds cost more than uncertified ones, but it is important and well worth the investment to purchase a diamond with a certificate. In this blog, we will explain in detail what diamond certification is and why it is an investment.

What is Diamond Certification?

A diamond certification or grading report is a scientific analysis of diamonds offered by an independent gem laboratory. The four characteristics of a diamond—carat (weight), cut, colour, and clarity—are measured.

The final grading has a considerable impact on the diamond's price because each laboratory grades and characterizes its gems differently; in fact, occasionally the variances in reports can be significant.

However, since diamond certificates are differentiated, the price and value of diamonds across various certifications cannot be compared. 

Diamond certification allows the buyer to get an idea of the real value of their purchase. As a result, certified diamonds are regarded as the most trustworthy diamonds in the market.

Apart from this, certified diamonds have an inscription on their girdle. The diamond's grade number is simply inscribed using a tiny laser. In case you do not have the paper, the inscription on the girdle allows an expert to gather data about your diamond without any hassles. Basically, diamond certification and the inscription on the girdle go hand in hand.

Importance of Diamond Certification

Diamond certification is essential and must not be overlooked by buyers at any cost. Why? Let’s see.

Through diamond certification, professional geologists and trusted lab authorities vouch for the quality of your diamond and give an apt report of its colour, carat, cut, and clarity. With this diamond certificate, you can prove the authenticity of your diamond on the market. Also, with certification, diamonds get a label that justifies their value for their price and also offers safeguards in cases of reselling and replacement.

However, it's crucial to remember that while diamond certifications may justify the value you receive for your money, they have no effect on the diamond's market value.

Overall, diamond certification develops trust in your diamond by enhancing its reputation.

You should acquire diamonds with a certificate for two key reasons:

  1. A certificate guarantees the quality of the stone. A diamond’s cut, colour and clarity, as well as its weight, are all qualities that the typical buyer is unable to evaluate, and some jewellers take advantage of this. They make inflated promises regarding the quality of the uncertified diamonds they offer, and the purchaser will only learn afterwards that they were overcharged for a subpar stone. When you purchase a diamond with a certificate from a reputable gem lab, you can be confident of the gem’s quality and that you are paying a fair price.
  1. A certificate protects your investment. Per carat, fine diamonds cost hundreds of dollars. When you decide to sell the stone or exchange it for a larger one, you will be more likely to recoup your investment if it is a certified diamond since it retains its value better over time.

One additional benefit of diamond certificates is that they simplify gem shopping. Since many of the subtle differences between diamonds are invisible to the naked eye, it is helpful to compare the 4 Cs listed on the diamonds’ certificates.

Factor When Considering Diamond Certification

Consistency is key

It's important to focus on consistency rather than grading strictness when comparing the grading reports of two or more entities. The grading report from one lab differs from that of another because various laboratories use different criteria to evaluate the quality of diamonds. 

Let's imagine a lab consistently assigns a single grade for clarity that is greater than any other lab. In this case, the lab is not any less reliable. Thus, instead of just comparing the grades of different lab reports, look for consistency in one entity’s grading report. 

Diamond grading reports are subjective

Contrary to common belief, there is no set formula that governs the grading of diamonds. Each laboratory has its own specific definition of a particular grade range, and it might differ from others. 

Therefore, it's crucial to have faith in the organisation and research its standing in the marketplace.

Different certifications give different results

Every lab has the liberty to define and follow its own individual grading technique. Thus, their reports differ from each other. When it comes to the diamond's colour, some laboratories are forgiving, while others could sacrifice clarity. Therefore, having a sound knowledge of the grading laboratory is a must. It allows you to ensure that the value of the diamond on paper (certificate) is real and not forged.

Keep price over certification

No matter how reputed the lab is, the price of the diamond must be thoroughly evaluated. The diamond's quality must be able to support the price shown on the certificate. Additionally, the diamond's quality, as stated in the certificate, must be seen in person. It is advised to consult an expert if you have any concerns regarding the diamond's quality.  

In a word, diamond certification is an important stage in the diamond-buying process that must never be skipped. It gives you a clear idea of what you’re purchasing and whether you’re paying the right price for it or not. Further, after purchase, a diamond certificate can boost the credibility of your diamond in the market and be useful in reselling and replacement. V. Jayantilal & Co. provides GIA, IGI, and HRD-certified diamonds.

Diamond Buying Tips: Shopping for a diamond can be confusing, especially if it's your first time. But if you become knowledgeable about the components that make up a diamond, purchasing one doesn't have to be intimidating. If you’re starting to venture into this world of diamond buying, let this guide help you make educated and stress-free decisions. In this post, we’ve rounded up all the vital diamond aspects you need to understand before buying a diamond. But it's not as difficult as you think.

Best Diamond Buying Tips

Here are some diamond buying tips to consider before you go for shopping or buy diamond online.

4c's of diamond

The first tip from diamond buying tips is to know the 4Cs: color, clarity, cut, and carat weight. Created by the GIA, the 4Cs are the global standard for assessing the quality of diamonds and allow you to compare one diamond to another.

The next stage is to ask yourself, "Which C is the most important to me?" when you are familiar with the meaning of the 4Cs. Prioritising the 4Cs will enable you to swiftly whittle down your search results and find the diamond that's ideal for you. It will also help you work with your budget, knowing which items you are willing to spend more on and which you are willing to compromise on.

Having a basic understanding of these four diamond characteristics will help you have better conversations with your jeweller and give you the vocabulary to ask important questions.


A diamond’s color is a measurement of how white it is. Other stones may have a yellow or brown hue, whereas chemically pure diamonds seem entirely colourless. After a diamond is mined, it is sent to a gem lab, where gemologists grade its color on a scale that begins with D (colorless) and ends with Z (light yellow), with D meaning that a diamond is completely colorless and Z meaning that a diamond has a light yellow or brown color. Less-colored diamonds in this colour range are more uncommon and highly prized. When shopping for a diamond, consider how important color is to you. D-colored diamonds are extremely rare and therefore extremely expensive. Therefore, you might want to think about choosing a less expensive white diamond that will still be stunning but much less expensive.


When talking about a diamond's clarity, the terms "inclusions" and "blemishes" are used interchangeably. Clarity is graded on a scale from flawless to included. Flawless through VS2 Diamonds are generally what is called “eye clean,” meaning the diamond’s flaws can’t be seen by the naked eye. As with all other diamond gradings, the higher the grading, the more expensive the diamond. However, since many diamond faults are small, purchasing a diamond with minor imperfections might still result in a stunning diamond while saving you money. Decide how important perfection is to you before you purchase online.


The diamond's carat weight determines the diamond’s apparent size. In general, a diamond with a larger carat weight is rarer and more expensive, assuming the other Cs are equal. Carat is the most well-known of the 4Cs. However, a lot of people are misinformed and believe that a carat is a measurement of size rather than weight. It's critical to realise that carat does not always correspond to perceived size. So, while a diamond’s carat can give you a general idea of its size, it’s important to also consider its cut, shape, and table measurement when considering the size.


How effectively a diamond interacts with light is dependent on the quality of its cut. A diamond’s proportions, symmetry, and polish determine its brilliance, sparkle, and fire. The form of a diamond, which is a separate diamond quality, is not reflected in the diamond's cut. It’s a grading of how well a diamond was cut. The best diamond cut is excellent, followed in order by very good, good, fair, and poor.

When a diamond has an ideal cut, all the light that enters it is maximized, reflecting and refracting, creating a beautiful sparkle. The majority of the light that enters a diamond with a poor cut is lost via its sides or bottom, giving the diamond a dull appearance. The cut can have a major impact on the beauty of a diamond, so it’s important to keep that in mind when shopping. The cut grade is divided into three parameters: proportions, symmetry, and polish. According to the quality ratings of excellent (EX), very good (VG), good (G), or fair (F), each parameter is evaluated separately. 


Diamonds come in various shapes. The most popular and expensive diamond form is the round brilliant cut. Since round diamonds have the highest sparkle, they are quite valuable.

The remaining diamond shapes are called fancy shapes. While the square or rectangular forms, such as the Asscher, are step cuts, others, such as the marquise, pear, and heart, are essentially variations of the round brilliant cut. The most significant influence on a diamond's aesthetic may come from its form. Therefore, take into account which form is most appealing to you aesthetically while choosing your diamond shape. There are different levels of fire and scintillation in every fancy-shaped diamond. 


Fluorescence is a marker of how a diamond reacts to UV light. A diamond is regarded as fluorescent if it glows under UV light; otherwise, it is not fluorescent. On a scale from no fluorescence to intense fluorescence, this is rated. The fluorescence of a diamond can often appear blurry, even though it is difficult to perceive with the unaided eye. It's entirely up to you whether you desire fluorescence in your diamonds or not. If you’re unsure about how you feel about diamond fluorescence, you can always compare diamonds with and without fluorescence to see which you find more visually appealing.


Buying Certified diamonds like GIA Certified Diamond by a respected gem laboratory is the safest method. The International Gemological Institute (IGI), Hoge Raad voor Diamant (HRD), and the Gemological Institute of America (GIA) are the three primary gem labs. By clearly stating a diamond's cut, color, clarity, and weight, certificates ensure its high quality and preserve the buyer's investment by enhancing the gem's ability to maintain value over time.

Pick a reputable jeweller

Since a diamond represents a large investment, you should purchase it from a jeweller you can rely on. Your jeweller should be knowledgeable, approachable, and able to explain how to purchase a diamond in straightforward terms. Tip Start by looking for a jeweller who has a degree from a reputable program that is approved globally, like the GIA Graduate Gemologist. A knowledgeable jeweller can help you buy diamonds by explaining the 4Cs of diamond quality and showing you the variations between stones that appear to be identical. They will nudge you to compare how many diamonds fit your price range.

Our only goal at V. Jayantilal & Co. is to do everything in our power to assist couples in reaching a significant life milestone. We always place a premium on education and favour quality over quantity. 

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