Everything You Need to Know About Diamonds: The Guide

This remarkable transformation takes place over millions, sometimes billions, of years, far beneath the Earth's surface. The mantle, located between the Earth's core and crust, accounts for approximately 82% of our planet's volume.

Beyond these extreme conditions, scientists classify diamonds according to their atomic structure. Type I diamonds contain nitrogen impurities that can influence their color, while Type II diamonds contain no detectable nitrogen and are exceptionally rare. During the crystallization process, tiny mineral inclusions may become trapped within the diamond.

Far from being mere imperfections, these microscopic crystals act as natural time capsules, allowing geologists to investigate a diamond's age and trace its geological history.

How Do Diamonds Reach the Earth's Surface?

Once formed, diamonds embark on a remarkable journey toward the Earth's surface, carried upward by rare volcanic eruptions, primarily through kimberlite magma.

They are then extracted in their rough form before being carefully cut and polished, transforming these natural crystals into brilliant gemstones admired around the world.

Diamonds: A Royal Gift

For centuries, diamonds were largely reserved for royalty and the aristocracy, making them powerful symbols of wealth and privilege. Their association with romance took a defining turn in 1477, when Archduke Maximilian of Austria presented Mary of Burgundy with a diamond ring to mark their engagement. This gesture is widely regarded as one of the earliest recorded examples of the diamond engagement ring tradition. Over time, the practice of giving diamonds as a declaration of love spread among Europe's upper classes.

This tradition strengthened the diamond's symbolism as an expression of eternal and enduring love. Eventually extending beyond Europe, diamond engagement rings became an internationally recognized part of engagement and wedding traditions. Although styles and customs have evolved over the centuries, their meaning has remained remarkably consistent: diamonds represent a lasting and precious commitment.

Their rarity and brilliance make diamonds particularly meaningful for celebrating life's most significant occasions. The art of incorporating these gemstones into jewelry has continued to evolve, with advances in diamond cutting and setting techniques allowing their brilliance and fire to be revealed to their fullest potential.

At Maison D.Bachet, we carry this tradition forward through contemporary fine jewelry creations that honor both the diamond's rich history and its enduring symbolism.

Where Do Natural Diamonds Come From?

Although India was once the world's leading source of diamonds, the landscape of diamond mining has changed considerably over the centuries. Today, major diamond deposits are found across several continents, particularly in Africa (including Botswana and South Africa), Russia, and Canada. Australia was also renowned for its exceptional pink diamonds from the Argyle mine, which closed permanently in 2020, making these distinctive colored diamonds even more sought after.

Diamond sourcing is subject to international regulations and traceability requirements designed to prevent conflict diamonds from entering the legitimate supply chain. Initiatives such as the Kimberley Process play an important role in promoting more responsible diamond trading.

What Is the Kimberley Process?

Established to combat the trade in conflict diamonds, the Kimberley Process Certification Scheme aims to prevent rough diamonds used to finance armed conflicts from entering the international market.

Maison D.Bachet is committed to sourcing diamonds in accordance with the Kimberley Process and working with suppliers who uphold responsible trading practices.

White Diamond Solitaire Pendant

D.Bachet's Commitment to Transparency

At Maison D.Bachet, we place the utmost importance on the quality and responsible sourcing of our gemstones. Whether white, black, or colored, our diamonds are carefully selected according to rigorous standards, reflecting the expertise and attention to detail of our French jewelry workshop.

At Maison D.Bachet, all white diamonds weighing 0.30 carats or more come with a grading report from an independent gemological laboratory, such as the GIA. Certified 0.20-carat diamonds are also available but subject to availability. For pavé diamonds and smaller stones, our expertise guides the selection process, ensuring consistency in brilliance, color, and overall appearance. We also require our suppliers to comply with the Kimberley Process.

Discover this commitment to craftsmanship through our 18K gold pendant set with a certified 0.50-carat F-VS white diamond, a refined creation handcrafted with the same attention to quality and detail.

Cut – The Art of Diamond Cutting

Diamond cut refers to the proportions, symmetry, and quality of a diamond's faceting.

It is one of the most important factors influencing a diamond's brilliance. Diamonds are renowned for their ability to reflect and refract light, creating the sparkle that makes them so captivating. Although the term "cut" is often used to describe a diamond's shape, such as round, oval, pear, or heart, its technical meaning relates to how effectively the diamond's facets interact with light.

In its natural state, a rough diamond has not yet acquired the brilliance associated with a polished gemstone. Transforming it requires exceptional skill and precision, with every facet carefully positioned to optimize the balance of brilliance, fire, and scintillation.

At Maison D.Bachet, we select diamonds with an Excellent cut grade wherever this grading standard applies.

The perfect pairing: our Light of Love wedding band and our Entourage engagement ring.

Understanding the Quality of Our White Diamonds: From Center Stones to Pavé Settings

In fine jewelry, diamond quality is expressed through precise grading combinations. For the center stones in our creations, Maison D.Bachet selects F-VS diamonds. An F-VS diamond combines an F color grade, belonging to the colorless category, with a VS clarity grade (Very Slightly Included). This means that inclusions are generally invisible to the naked eye and are minor when examined under 10x magnification. This combination offers an exceptional balance of visual purity, brilliance, and rarity.

Our commitment to quality extends beyond the center stone. To create a harmonious brilliance throughout each piece, the pavé diamonds adorning our jewelry are carefully selected from the D, E, and F color grades. These represent the highest category on the GIA diamond color scale: colorless diamonds. This meticulous selection ensures that every detail contributes to a beautifully balanced interplay of light.

Discover this interplay of light through our white diamond halo engagement ring and our Light of Love diamond wedding band, a pairing in which the center diamond and pavé settings complement one another.

The D.Bachet Fifth C: Beyond the Traditional 4Cs

At Maison D.Bachet, we recognize the importance of the traditional 4Cs in evaluating diamond quality. However, our selection process goes further with what we call the "fifth C." This additional consideration brings together three technical characteristics that contribute to a diamond's overall appearance and quality.

Polish: The quality of a diamond's polish influences how light interacts with its surface. Excellent polish minimizes microscopic surface imperfections, allowing light to reflect cleanly across the facets and enhancing the diamond's appearance.

Symmetry: The precise alignment and arrangement of a diamond's facets contribute to its optical performance. Poor symmetry can affect the way light travels through the stone, influencing the balance and intensity of its brilliance.

No fluorescence: Fluorescence refers to a diamond's reaction to ultraviolet light. In some diamonds with very strong fluorescence, this phenomenon may create a hazy or milky appearance under certain lighting conditions, although fluorescence does not generally affect a diamond's transparency. At D.Bachet, we select diamonds graded None for fluorescence on GIA reports, reflecting our own standards for diamond selection.

GIA Grading Report for a White Diamond

GIA Grading Report for a Colored Diamond

What Makes Black Diamonds Different?

Unlike the transparent single-crystal structure typically found in white diamonds, natural black diamonds may contain numerous inclusions and structural irregularities. Carbonado, a particular variety of natural black diamond, has a polycrystalline structure composed of aggregated diamond crystals. These characteristics can make certain black diamonds especially challenging to cut and polish, requiring considerable precision during faceting to minimize the risk of damage.

Because naturally occurring diamonds with a uniform black color are exceptionally rare, many black diamonds used in fine jewelry undergo controlled treatment. The black diamonds featured in D.Bachet creations are natural diamonds, initially gray or brown in appearance, carefully selected before undergoing a high-temperature treatment to achieve a deep, intense, and uniform black color.

A Permanent Transformation: This specialized process involves heating the diamonds under controlled conditions, without the addition of chemical coloring agents. At temperatures approaching 1,200°C, carbon-rich inclusions within the stone can undergo structural changes, producing the deep black appearance characteristic of treated black diamonds. The resulting color is stable under normal wearing conditions, while the gemstone retains the fundamental hardness associated with diamond.