How to Grow Diamonds in a Lab

What are lab grown diamonds?

Diamonds have always been a symbol of love, commitment, and elegance. In the past, natural diamonds were extracted from the Earth, contributing to their scarcity and high value as gemstones. However, modern technological advancements have given rise to an exciting alternative: lab-grown diamonds

These diamonds, also known as synthetic or laboratory-grown diamonds, are created through fascinating processes that replicate the conditions occurring deep within the Earth's crust where natural diamonds are formed. This article will explore the world of lab-grown diamonds, delving into various methods used to grow them and why they have become a popular choice for rings, pendants, and other jewelry.

Understanding Methods to Make Lab-Grown Diamonds

Lab-grown diamonds are chemically identical to natural diamonds, but their creation takes place within controlled laboratory environments rather than the earth's depths. These diamonds are created using two primary methods: High-Pressure High-Temperature (HPHT) and Chemical Vapor Deposition (CVD).

High-Pressure High-Temperature (HPHT) Method

The HPHT method involves recreating the natural conditions under which diamonds form in the earth's mantle. During this process, a small diamond seed is placed in a high-temperature press with a carbon source. The combination of extreme heat and high pressure mimics the geological conditions, allowing the carbon atoms to form a diamond crystal around the seed. The resulting diamonds are often referred to as "as-grown" or "HPHT diamonds."

Chemical Vapor Deposition (CVD) Method

The CVD method, on the other hand, involves using a diamond seed as a substrate in a chamber filled with carbon-rich gases. The gases are activated and broken down, causing carbon atoms to accumulate and crystallize on the diamond seed's surface. This method creates "as-grown" diamonds, which can be used for various applications, including gem-quality diamonds.

Advantages of Lab-Grown Diamonds

Lab-grown diamonds offer several advantages over natural diamonds, making them an increasingly popular choice among environmentally-conscious and budget-savvy consumers. Below, we outline a few of the top reasons consumers are increasingly navigating toward lab-grown diamonds. 

Ethical and Conflict-Free

Unlike some natural diamonds that may come from conflict-ridden regions, lab-grown diamonds are an ethical and conflict-free choice. They are produced without any association with diamond mining, thus promoting peace and sustainability in the diamond industry.


The process of growing diamonds in a lab has a significantly lower impact on the environment compared to traditional diamond mining. It reduces the need for extensive excavation, land disturbance, and energy consumption, making it a greener alternative.

High-Quality and Gemological Properties

Lab-grown diamonds possess the same gemological properties as natural diamonds. They are graded for cut, clarity, color, and carat the same way as natural diamonds—ensuring consumers get high-quality diamonds with all the brilliance and sparkle they desire.


Lab-grown diamonds typically cost less than their natural counterparts. This affordability allows customers to invest in larger carat stones or higher-quality diamonds without breaking the bank.

Innovative and High-Tech

Growing diamonds in a laboratory setting represents a cutting-edge technological achievement. The intricate science and engineering behind it have paved the way for new possibilities in the diamond industry.

Applications of Lab-Grown Diamonds

Lab-grown diamonds have a wide range of applications, with engagement rings being one of the most popular choices. The increasing awareness about lab-grown diamonds' benefits has led to more couples opting for these sustainable and stunning gems to symbolize their love and commitment. Beyond engagement rings, lab-grown diamonds can be crafted into an array of exquisite jewelry pieces, such as earrings, necklaces, pendants, and bracelets—offering a wide array of options for consumers—including memorial jewelry.

Creating Memorial Jewelry from Lab-Grown Diamonds

Creating memorial jewelry with a profound connection to the departed has taken on a new dimension with the advent of growing diamonds. These cultivated gems, derived from memorial ashes, infuse each piece with heightened significance and personal meaning. 

Whether it’s a pendant, ring, bracelet, or necklace, every piece of jewelry can now be adorned with a memorial diamond at its core, serving as an everlasting tribute to the love and cherished memories shared. By incorporating engravings, birthstones, or even a lock of hair, these custom-made pieces can be further personalized, resulting in a truly unparalleled keepsake that beautifully honors the life of your loved one.

Diamonds, grown from the ashes of a departed individual, have emerged as particularly popular choices for memorial rings. Their blend of elegance and emotional value symbolizes an eternal connection with the departed, providing solace and a sense of everlasting presence.

As you choose a memorial ring, you'll encounter a wide variety of options to suit your style and preferences. Whether it's a simple band or an intricate design, the possibilities are endless. The choice of metal also plays a crucial role in the final appearance of the ring. Gold exudes timeless beauty, adding warmth and richness. Sterling silver, on the other hand, offers an elegant and sophisticated touch. If you prefer a modern and sleek look, white gold may complement the brilliance of the memorial diamond perfectly.

Memorial pendants have also gained popularity as a means of keeping the presence of your loved one close to your heart. These exquisite pendants can be adorned with a hand-crafted diamond, cultivated from the ashes, encapsulating the spirit of the departed in a mesmerizing centerpiece.

Beyond rings and pendants, memorial bracelets and necklaces offer equally poignant options for commemorating your loved one's memory. Whether you prefer a delicate chain adorned with a memorial diamond pendant or a more substantial bracelet showcasing multiple diamonds, each piece becomes a striking representation of the enduring love and unbreakable connection you share.

Discover the Brilliance of Lab-Grown Diamonds

Lab-grown diamonds are a testament to human ingenuity and the pursuit of sustainable alternatives in the diamond industry. Through HPHT and CVD methods, scientists have mastered the art of growing diamonds with the same chemical composition and physical properties as natural diamonds. These conflict-free, eco-friendly, and high-quality gems have become a preferred choice for engagement rings and various other applications.

As technology continues to evolve, the lab-grown diamond industry will likely witness even more exciting developments, further cementing its place as a cutting-edge, environmentally friendly, and affordable choice for those seeking the brilliance and beauty of diamonds without the ethical concerns of traditional diamond mining. Whether for an engagement, a gift, or a personal indulgence, lab-grown diamonds are a shining example of a future-forward, sustainable approach to the age-old allure of these precious gemstones.

Crafting Unique Memorial Jewelry with a Personal Touch

At the forefront of this innovative approach to memorial jewelry is Eterneva. We recognize that individual preferences and styles vary, and that's why we offer not only traditional pieces but also the ability to explore unconventional settings like earrings, brooches, cufflinks, and even watches. Our goal is to create truly unique jewelry alternatives that resonate with the memories and essence of your loved one. You can schedule a consultation with an Eterneva representative to explore the possibilities and design a truly one-of-a-kind memorial piece that will be cherished for generations to come.