Basket 0

Sorry, looks like we don't have enough of this product.

Is this a gift?
Pair with
Subtotal Free
View cart
Shipping, taxes, and discount codes are calculated at checkout
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • JCB
  • Mastercard
  • Visa

How much does a diamond cost?

Quel est le prix d'un diamant?

Diamond: Understanding Carat Cost and Choosing Your Stone

 

Diamonds, symbols of eternal love and luxury, have captivated humanity for centuries. Their incomparable brilliance and exceptional durability make them highly prized gemstones, especially for the creation of exceptional jewelry such as engagement rings, necklaces, and earrings. But behind this sparkling beauty lies a complex, evolving market where the price of a diamond can vary considerably based on precise criteria such as carat, cut, color, and clarity. Understanding the diamond price trend is therefore essential for any buyer.

Today, consumers face a crucial choice: mined diamond or lab-grown diamond? This comparison of mined vs. lab-grown diamonds is essential for making an informed decision. To decipher this sparkling market, it's vital to delve into the criteria that determine the price per carat of a diamond, to understand the differences between mined and lab-grown diamonds, and to compare their diamond prices. This comprehensive guide will give you all the keys to navigate the fascinating world of diamonds and answer the ultimate question: "what is the price of a diamond, and above all, how much does a diamond cost that meets my expectations and budget?". If you are looking for a complete diamond buying guide, you are in the right place.


Mined Diamond vs. Lab-Grown Diamond: Origin Makes the Price Difference


Before discussing the price of a diamond, it's crucial to understand the fundamental distinction between mined diamonds and lab-grown diamonds. To choose the diamond that best suits you, it's essential to know their specific characteristics and respective advantages, which directly influence the price per carat diamond and thus your decision to buy a diamond.

Imagine two ice cubes, both of crystalline purity and fascinating beauty. One, born in the heart of an ancient glacier, radiates the brilliance of eternal snows. The other, created in the family freezer, sparkles with human ingenuity. Both are composed of frozen water, possess the same crystalline structure, the same transparency, the same coldness. Only their origin differs.

The same goes for diamonds. Is a lab-grown diamond as "real" as a mined diamond? The answer is yes! Chemically, physically, and optically, they are identical.

·    Mined Diamonds: The result of a geological process spanning millions, even billions of years, mined diamonds are extracted from the Earth's depths. Their formation under extreme pressures and temperatures gives them a rarity and a mystical aura that has fueled their price per carat diamond for centuries. The natural diamond price remains historically high due to this rarity. If you're looking for a rare and historically rich diamond, a mined diamond with a GIA certificate could be the ideal choice. However, mining has significant environmental and social costs, and working conditions in some mines are often criticized. The ecological impact of mined diamonds is an important factor to consider when choosing to buy a diamond.

·    Lab-Grown Diamonds: Born from human ingenuity and technological advancements, lab-grown diamonds are created in a few weeks in sophisticated facilities. By replicating the conditions of natural diamond formation, scientists are able to produce diamonds that exhibit the same chemical composition, crystal structure, and brilliance as mined diamonds. They are identical in appearance and physical properties, but their production process is more ethical, sustainable, and transparent. Lab-grown diamonds, also known as synthetic diamonds or cultivated diamonds, offer a responsible alternative to mined diamonds, without compromising on quality. If you are looking for an engagement ring with an ethical and affordable diamond, a lab-grown diamond is an excellent option. The price per carat diamond for lab-grown is generally more accessible, and the synthetic diamond price is increasingly competitive.

In summary, diamonds, whether from the Earth's depths or human-made, share identical characteristics. Their brilliance and beauty are the same; only their origin differs, which influences their diamond price. While mined diamonds are the result of a long natural process, lab-grown diamonds, created by technology, offer an ethical and sustainable alternative, without compromising on quality and at a more attractive diamond price. For a diamond buying guide, this distinction is paramount.

The 4Cs, Pillars of Diamond Evaluation and Price

Whether you are looking to buy a mined diamond or a lab-grown diamond, its evaluation relies on four fundamental criteria, universally recognized in the world of gemology: the 4Cs. These four pillars - Carat, Cut, Color, and Clarity - interact to define a diamond's beauty, and directly influence its price. Understanding the importance of each "C" will allow you to choose the diamond that best matches your expectations and budget, and thus better understand how much a diamond costs.

Carat (Weight): The Influence of Weight on a Diamond's Price

Carat is the unit of measurement for a diamond's weight. One carat is equivalent to 0.2 grams. The higher the carat weight, the rarer and more precious the diamond, and the higher the price per carat diamond will be. The price of a diamond increases exponentially with carat weight. This means that a 2-carat diamond, all else being equal, will not cost twice as much as a 1-carat diamond, but much more!

There are also psychological thresholds at certain carat weights (0.5ct, 1ct, 1.5ct, 2ct, etc.). Buyers are often willing to pay a significantly higher price per carat diamond for a diamond that crosses one of these thresholds, even if the weight difference is minimal. For example, the price of a 1-carat diamond can be considerably higher than that of a 0.95-carat diamond.

Price of a diamond per carat based on its carat weight (read "a 3-carat diamond will have an average price per carat of €45000"):

Diamant blanc

 

It is important to note that these diamond prices are indicative and may vary depending on demand, supply, and market fluctuations, including the current diamond price trend. If you are looking for a specific carat diamond or are wondering about the price of a diamond for investment, do not hesitate to contact a professional diamantaire for a precise estimate of the price per carat diamond and a diamond certification.

Cut: The Importance of Cut and Polish on the Diamond Price

Cut is arguably the most important of the 4Cs. It refers to a diamond's proportions, symmetry, and polish. An expert cut maximizes the diamond's brilliance by allowing light to enter the stone, reflect off its internal facets, and exit through the top, creating the diamond's famous "fire." This quality of cut has a strong impact on the price per carat diamond.

There are different cut shapes, each with its own characteristics and influence on the price of a diamond. The round brilliant cut is the most popular and generally the most expensive, as it maximizes the diamond's brilliance. It is also the most demanding in terms of raw material, as it requires sacrificing a larger portion of the rough diamond to achieve ideal proportions. If you are looking for a diamond with maximum brilliance, the brilliant cut is an excellent choice.

Other cuts, such as princess, emerald, pear, or marquise, offer different styles and can be more affordable in terms of diamond price.

  • The princess cut is a square or rectangular cut that offers intense brilliance and a modern look.

  • The emerald cut is a rectangular cut with truncated corners that highlights the diamond's clarity. It is often chosen for large diamonds of high clarity.

  • The pear cut, also known as the teardrop cut, is an asymmetrical cut that combines the curves of a round cut with the point of a marquise cut. It is often used for pendants and earrings.

  • The marquise cut is a pointed oval cut at both ends, which gives the illusion of a larger size. It is often used for rings and pendants.

The different diamond cuts. Brilliant cut, emerald cut, marquise cut, pear cut, princess cut.

Diamant blanc

The quality of the cut has a major impact on the price of a diamond, whether mined or lab-grown. A diamond with an excellent cut can be worth considerably more than a diamond of the same carat weight and color with a mediocre cut. This is a key factor in understanding how much a diamond costs, and an essential element of any diamond buying guide.

Color: The Subtle Influence of Hue... and on a Diamond's Price!

A diamond's color is an important factor to consider, both for its aesthetic appearance and for its diamond price. While diamonds are often imagined as perfectly colorless stones, the reality is more nuanced. In fact, most diamonds used in jewelry exhibit a slight yellow tint.

The GIA Color Scale and its impact on the price of a diamond

To grade diamonds by their color, the GIA (Gemological Institute of America) has developed a scale from "D" to "Z". Each color grade has a direct impact on the diamond price.

Let's take as a reference a 1-carat round brilliant cut diamond, with VS2 clarity and excellent cut:

  • D: Exceptional White +. The ultimate in color, D color diamonds are perfectly colorless. Expect a bonus of +30% to +40% compared to the reference price.

  • E-F: Exceptional White and Extra White +. Very close to colorless, with a tiny, almost imperceptible yellow tint. Bonus of +20% to +30% compared to the reference price. If you are looking for an exceptional white diamond, categories E and F are an excellent choice. All our diamonds are certified at least F to guarantee you the whitest diamond, as for the Andrea ring.

  • G-H: Extra White and White. A slight, subtle yellow tint that does not significantly affect brilliance. This often offers the best value for money. Grade H offers a reduction of -10% to -15%.

  • I-J: Tinted White. The yellow tint is more perceptible, but remains acceptable, especially if the diamond is set in yellow gold. Reduction of -20% to -25% compared to the reference price.

  • K-M: Slight Tint. The yellow color is clearly visible. These diamonds are less expensive, with a reduction of -30% to -40% compared to the reference price.

  • N-Z: Noticeable Tint. The yellow color is pronounced. These diamonds are the least expensive, with a reduction of up to -50% compared to the reference price.

Diamant blanc

"Fancy" Color Diamonds: A Major Influence on the Diamond Price

Beyond white diamonds, there are "fancy" color diamonds: pink, blue, green, vivid yellow, red... These diamonds are extremely rare and sought after. Their price, already high for mined "fancy" color diamonds (the natural diamond price here fluctuates greatly), can reach astronomical sums for certain colors and intensities. This is where the fancy diamond price trend soars.

Let's take the example of a 1-carat pink diamond, brilliant cut, VS2 clarity:

  • Pale Pink: +80% to +150% compared to a white diamond of the same quality.

  • Medium Pink: +200% to +500%

  • Intense Pink: +800% to +2000%

  • Vivid Pink: The diamond price can be multiplied by 10, 20, or even 50 compared to a white diamond!

Blue, green, and red diamonds follow a similar trend, with even greater diamond price variations depending on the rarity and intensity of the color. The price of a blue diamond can thus reach peaks, making these stones true jewels.

Lab-Grown Diamonds: An Accessible Rainbow of Colors

Lab-grown diamonds offer a unique opportunity to explore the world of color diamonds at more affordable prices. Scientists can control growth conditions to achieve specific colors, thus offering a wide range of choices. This is an excellent alternative to find out how much a colored diamond costs, with a much more accessible synthetic diamond price.

A diamond's clarity refers to its degree of purity. In other words, it's about evaluating the presence of inclusions, those small natural imperfections that form during the diamond's crystallization. Almost all diamonds contain inclusions, but their number, size, and position can vary considerably, directly impacting the price per carat diamond.

The Loop ring in 18ct yellow or white gold with its 1 carat green diamond.

 

Clarity: Mastering the Clarity Scale to Optimize Your Diamond Purchase

The GIA (Gemological Institute of America) has developed a clarity scale to grade diamonds based on their inclusions:

  • FL (Flawless): No inclusions visible, even under 10x magnification. This is the highest and rarest clarity level, with a consequent diamond price.

  • IF (Internally Flawless): No inclusions visible under 10x magnification, but tiny imperfections may be present on the diamond's surface.

  • VVS1-VVS2 (Very, Very Slightly Included): Inclusions are very difficult to see, even for an experienced gemologist using 10x magnification.

  • VS1-VS2 (Very Slightly Included): Inclusions are difficult to see under 10x magnification, but may be visible to the naked eye under certain conditions. These levels offer excellent value for the diamond price.

  • SI1-SI2 (Slightly Included): Inclusions are easily visible under 10x magnification and may be visible to the naked eye for some.

  • I1-I3 (Included): Inclusions are visible to the naked eye. These diamonds are the most affordable in terms of price of a diamond.

Clarity and Diamond Price: What Impact?

Clarity has a significant impact on the price of a diamond. The purer a diamond is, the rarer and more valuable it is. FL and IF diamonds are the most expensive, while I1-I3 diamonds are the most affordable. This is a determining factor for the price per carat diamond and for deciding to invest in a diamond.

Lab-Grown Diamonds: Often Superior Clarity

Lab-grown diamonds often have superior clarity to mined diamonds, as they are created in a controlled environment where inclusions are minimized. It is not uncommon to find lab-grown diamonds of "VVS" or even "FL" clarity, whereas these clarity levels are much rarer in mined diamonds. If you are looking for a diamond with excellent clarity, lab-grown diamonds are an excellent option, often at a more advantageous diamond price, and with clear diamond certification.

The Price: A Growing Gap Between Mined and Lab-Grown

The main advantage of lab-grown diamonds lies in their price. They are generally less expensive than mined diamonds of comparable characteristics. This price difference is explained by several factors:

  • Production Costs: The production of lab-grown diamonds is less costly than mining, which requires significant investments in infrastructure, labor, and energy. This directly impacts the price per carat diamond.

  • Absence of Intermediaries: The lab-grown diamond market is more direct, with fewer intermediaries between the producer and the consumer, which reduces margins and additional costs, and thus the final diamond price.

  • Market Perception: Mined diamonds still benefit from an image of prestige and rarity that influences their price (the natural diamond price). However, this perception is changing, as consumers become aware of the advantages of lab-grown diamonds and the constantly evolving diamond price trend.


Lab-grown diamonds offer an alternative to mined diamonds, with many advantages that are attracting more and more consumers. If you are concerned about ethics, the environment, and your budget, lab-grown diamonds are an option to seriously consider to find out how much a diamond costs that suits you.

Here are the main advantages of lab-grown diamonds:

  • More Affordable Price: The price of a lab-grown diamond is generally lower than that of a mined diamond of comparable characteristics. This allows you to acquire a larger or higher quality diamond for a given budget. For example, if you are looking for a 2-carat diamond, a lab-grown diamond will allow you to realize your dream without breaking the bank.

  • Ethics and Sustainability: Lab-grown diamonds are produced under ethical and environmentally friendly conditions. They do not have a negative impact on ecosystems and do not contribute to armed conflicts related to mining. If you are looking for an ethical and ecological diamond, lab-grown diamonds are the ideal choice.

  • Controlled Quality: Lab-grown diamonds are created in a controlled environment, which ensures their quality and purity. It is possible to choose specific characteristics, such as color and clarity, and obtain a perfect diamond, without visible inclusions.

  • Traceability and Certification: Lab-grown diamonds are often accompanied by a certificate that guarantees their origin and manufacturing process. You thus have the guarantee of an authentic and traceable product, which can positively influence their perceived diamond price and strengthens diamond certification.

The Diamond Market: In Full Transformation

The diamond market is undergoing a complete transformation, with the arrival of lab-grown diamonds gaining popularity. Consumers are increasingly sensitive to ethical and environmental issues, and are looking for alternatives to mined diamonds. According to forecasts, the demand for lab-grown diamonds is expected to continue to grow in the coming years, which could lead to a decrease in the prices of mined diamonds and a questioning of the traditional diamond market. The diamond price trend is therefore constantly evolving. The future of diamonds is being written, and lab-grown diamonds play a major role in it. If you wish to invest in a diamond or simply buy a diamond, it is crucial to follow these trends.

Conclusion: The Best Choice for Your Diamond

Given the many advantages of lab-grown diamonds, it is legitimate to ask why persist in buying mined diamonds. Lab-grown diamonds offer the same brilliance, beauty, and durability, at a more affordable price and without the ethical and environmental implications associated with mining. So, why pay more for a diamond extracted from a mine, when a more responsible and accessible alternative is available, and the price per carat of lab-grown diamond is so attractive? Whether you are looking for an affordable synthetic diamond price or a traditional natural diamond price, the choice is now in your hands.

 


FAQ: Everything You Need to Know About Diamond Prices

Question 1: What are the main factors that influence the price of a diamond? The main factors that influence the price of a diamond are the 4Cs: Carat (weight), Cut, Color, and Clarity. The origin of the diamond (mined or lab-grown) is also a significant price factor. For a diamond buying guide, these 4Cs are fundamental.

Question 2: What is the price difference between a mined diamond and a lab-grown diamond of similar characteristics? Lab-grown diamonds are generally less expensive than mined diamonds of comparable characteristics. This diamond price difference is explained by lower production costs, the absence of intermediaries, and an evolving market perception. The synthetic diamond price is therefore more attractive than the comparable natural diamond price.

Question 3: How does carat weight affect the price of a diamond? The higher a diamond's carat weight, the more exponentially its price increases. There are also psychological thresholds (0.5ct, 1ct, etc.) where prices per carat diamond can increase significantly. This is a key element to understanding how much a diamond costs of a specific size.

Question 4: How does a diamond's Clarity, as graded by the GIA scale, influence its price? A diamond's Clarity, which refers to the absence of inclusions, has a significant impact on its price. Diamonds with high clarity (FL, IF, VVS) are rarer and therefore more expensive than those with more visible inclusions (SI, I). This is a key point to understanding how much a perfect diamond costs.

Question 5: How does the GIA color scale affect the price of a white diamond? The GIA color scale ranges from D (colorless, most expensive) to Z (noticeable tint, least expensive). The more colorless a white diamond is (closer to D), the higher its value and price. This contributes to the white diamond price trend.

Question 6: What is the price difference for a fancy color diamond compared to a white diamond? Fancy color diamonds (pink, blue, green, etc.) are extremely rare and can be much more expensive than white diamonds of comparable quality. The diamond price for fancy colors varies considerably depending on the color and its intensity. To know how much a diamond costs of a specific color, expertise is often needed.

Question 7: What are the advantages of lab-grown diamonds in terms of price and ethics compared to mined diamonds? Lab-grown diamonds are generally more affordable than mined diamonds. Additionally, they are produced under ethical and sustainable conditions, without the negative environmental and social impacts associated with mining. Their diamond price is therefore more attractive for ethical consumers, and they offer excellent diamond certification.