lab diamond suppliers

Our company values reflect our commitment to a smarter, more modern approach to diamonds. At Rahi Impex, we celebrate the wonder of diamonds while leaving behind everything we don’t love about the industry.

Contemporary

We understand that diamond customers have evolved faster than the diamond industry. That’s why we are constantly adapting our diamond sourcing and buying process to meet your needs in a way that makes sense for the world we live in.

Trustworthy

Our goal is not to pressure you into a purchase but to help you find the right diamond for you. We are knowledgeable about the 4Cs and are aware of what is right and wrong with the diamond industry, so you can trust us to guide you in making an informed decision.

Customer-Obsessed

Your story is what makes our diamonds shine brighter. We want to provide you with a diamond that fits your vision, no matter what that might be. Our commitment to our customers means that we will do everything we can to ensure your satisfaction.

Accessible

We believe that diamonds should not be unattainable. Our lab-grown diamonds offer more value for your money, and because we grow them in-house, we can bring them to you without the extra markups.

Ethically Conscious

We believe that there is a smarter way to make diamonds that is more conscious of their impact on the world. Our lab-grown diamonds are conflict-free and environmentally conscious, so you can feel good about your purchase knowing it was made with the planet in mind.

Inclusive

At Rahi Impex, we understand that the best celebrations are the ones that are authentic to you. We believe that diamonds are for everyone, regardless of where you come from or where you’re going. We won’t tell you how to use your diamond; instead, we offer a wide range of options so you can find the perfect diamond for your unique celebration.

Diamonds have always been a symbol of luxury and rarity, but at RahI Impex, we are revolutionizing the diamond industry by creating lab-grown diamonds that are not only beautiful but also sustainable. Our process starts with a small seed, which is transformed into microscopic diamond crystals under precise conditions. Join us as we take you through the step-by-step process of creating a lab-grown diamond at RahI Impex.

The specific steps in the lab-grown diamond manufacturing process include:

1. Planning: The first step in the diamond-cutting process is planning. This involves determining the rough diamond’s best orientation, which will maximize the finished diamond’s potential for symmetry, brilliance, and overall beauty.
2. Cleaving: Cleaving is the process of splitting the rough diamond along its natural plane of weakness, called a “cleavage plane”. This is done to create a rough diamond that can be used as the starting point for the final diamond.
3. Bruting: Bruting is the process of shaping the diamond. The diamond is placed in a spinning wheel that is covered with diamond dust. The diamond is then shaped by grinding it against the wheel.
4. Polishing: The diamond is then polished to bring out its natural shine and luster. This is done by using a polishing wheel that is also covered in diamond dust. The diamond is then carefully polished to bring out its natural beauty.
5. Grading: The final step in the lab-grown diamond manufacturing process is grading. This is done by a certified gemologist who will evaluate the diamond’s cut, color, clarity, and carat weight. The diamond will then be given a grade based on these characteristics and will be certified as a lab-grown diamond.
6. Certification: This step is done by a certified gemologist, who will inspect the diamond to ensure it is a lab-grown diamond. The diamond will then be certified as a lab-grown diamond.

The Marquis cut diamond, also known as the “navette” cut, is a unique and elegant diamond cut that has been popular for centuries. It is a classic and timeless diamond shape that has been worn by royalty and celebrities alike. The Marquis cut is a elongated diamond shape that is characterized by its pointed ends and its elongated shape, which gives it a timeless elegance.

The Marquis cut diamond is cut with 58 facets, with the top of the diamond being wider than the bottom. This creates a larger surface area for light to enter the diamond, which results in a brilliant sparkle. The elongated shape also makes the Marquis cut diamond appear larger than other diamond shapes of the same carat weight.

When it comes to grading a Marquis cut diamond, the 4 C’s are considered. Carat weight, Cut, Clarity and Color. Carat weight will determine the diamond’s size, Cut will determine how well the diamond has been cut and how much sparkle it has, Clarity will determine if there are any internal or external flaws present, and Color will determine the diamond’s color.

One of the important factors to consider when looking for a Marquis cut diamond is the diamond’s symmetry and proportion. A well-proportioned Marquis cut diamond will have well-balanced proportions, with a symmetrical shape and a consistent width and depth. This helps to ensure that the diamond will have a balanced and pleasing appearance. The ideal Marquis cut diamond should have a consistent width and depth, and the two tips should be symmetrical.

Marquis cut diamonds are a popular choice for engagement rings, wedding bands, and other fine jewelry pieces. They can be set in a variety of metals, such as white gold, yellow gold, rose gold, and platinum, and can be paired with other diamond shapes, such as round, pear, or princess, for a unique and personalized look.

In conclusion, Marquis cut diamonds are a beautiful and elegant choice for those looking for a timeless and sophisticated diamond cut. It is important to consider the diamond’s faceting pattern, symmetry and proportion, and the 4 C’s when searching for the perfect Marquis cut diamond. With its elongated shape, it can make a perfect choice for an engagement ring or any other special occasion jewelry.

A heart shape diamond is a symbol of love and romance, making it a popular choice for engagement rings and other special occasion jewelry. The heart shape diamond is a variation of the brilliant round cut diamond, with a unique and distinctive shape that has captured the hearts of many.

The heart shape diamond is characterized by its symmetrical shape, with a pointed top and a curved base. The diamond’s faceting pattern is also unique, with a large number of facets on the crown, or top portion, of the diamond, which helps to increase the diamond’s fire and sparkle. The pavilion, or bottom portion, of the diamond typically has a smaller number of facets, which helps to create a smooth and polished appearance.

When it comes to grading a heart shape diamond, the 4 C’s are considered. Carat weight, Cut, Clarity and Color. Carat weight will determine the diamond’s size, Cut will determine how well the diamond has been cut and how much sparkle it has, Clarity will determine if there are any internal or external flaws present, and Color will determine the diamond’s color.

One of the important factors to consider when looking for a heart shape diamond is the diamond’s symmetry and proportion. A well-proportioned heart shape diamond will have well-balanced proportions, with a symmetrical shape and a consistent width and depth. This helps to ensure that the diamond will have a balanced and pleasing appearance. The ideal heart shape diamond should have the two tips of the heart are symmetrical and should be well proportioned.

Heart shape diamonds are a popular choice for engagement rings, pendants, and other fine jewelry pieces. They can be set in a variety of metals, such as white gold, yellow gold, rose gold, and platinum, and can be paired with other diamond shapes, such as round, pear, or marquise, for a unique and personalized look.

In conclusion, Heart shape diamonds are a beautiful and popular choice for those looking for a symbol of love and romance. It is important to consider the diamond’s faceting pattern, symmetry and proportion, and the 4 C’s when searching for the perfect Heart shape diamond. With their unique shape, they can make a perfect choice for an engagement ring or any other special occasion jewelry.

An Asscher shape diamond, also known as a square emerald cut diamond, is a unique and sophisticated diamond cut that was first developed in 1902 by the Asscher brothers in Holland. The cut is similar to the emerald cut, but with a square shape and a higher crown.

The Asscher shape diamond is characterized by its large, open table, which allows for a lot of light to pass through the diamond and create a beautiful, sparkling effect. The diamond’s pavilion, or bottom portion, typically has a smaller number of facets than a round diamond, which helps to create a distinct, mirror-like appearance. The crown, or top portion, of the diamond also has a unique faceting pattern, with elongated facets that give the diamond a more square appearance.

When it comes to grading an Asscher shape diamond, the 4 C’s are considered. Carat weight, Cut, Clarity and Color. Carat weight will determine the diamond’s size, Cut will determine how well the diamond has been cut and how much sparkle it has, Clarity will determine if there are any internal or external flaws present, and Color will determine the diamond’s color.

One of the important factors to consider when looking for an Asscher shape diamond is the diamond’s symmetry and proportion. A well-proportioned Asscher shape diamond will have well-balanced proportions, with a symmetrical shape and a consistent width and depth. This helps to ensure that the diamond will have a balanced and pleasing appearance.

An Asscher shape diamond is a perfect choice for those looking for a vintage, Art Deco look, or for those who want a unique and sophisticated diamond cut. The square shape with its unique faceting pattern creates a distinct look that can be very elegant. They are often used in engagement rings, earrings, and other fine jewelry pieces.

In conclusion, Asscher shape diamonds are a beautiful and unique choice for those looking for a sophisticated and vintage diamond cut. It is important to consider the diamond’s faceting pattern, symmetry and proportion, and the 4 C’s when searching for the perfect Asscher shape diamond.

An oval shape diamond is a popular choice for those looking for a unique and elegant diamond cut. The oval shape is a variation of the round cut diamond, with a longer and more elliptical shape. This shape can elongate the fingers and create a more dramatic look for the ring.

One of the key characteristics of an oval shape diamond is its faceting pattern. The diamond’s pavilion, or bottom portion, typically has a larger number of facets than a round diamond, which helps to increase the diamond’s fire and sparkle. The crown, or top portion, of the diamond also has a unique faceting pattern, with elongated facets that give the diamond a more oval appearance.

Another important factor to consider when looking for an oval shape diamond is the diamond’s symmetry and proportion. A well-proportioned oval shape diamond will have well-balanced proportions, with a symmetrical shape and a consistent width and depth. This helps to ensure that the diamond will have a balanced and pleasing appearance.

When it comes to grading an oval shape diamond, the 4 C’s are considered. Carat weight, Cut, Clarity and Color. Carat weight will determine the diamond’s size, Cut will determine how well the diamond has been cut and how much sparkle it has, Clarity will determine if there are any internal or external flaws present, and Color will determine the diamond’s color.

One of the benefits of choosing an oval shape diamond is that it can look larger than a round diamond of the same carat weight. This is because the oval shape has a larger surface area, which allows for more light to be reflected and refracted, resulting in a sparkling and brilliant appearance.

In conclusion, oval shape diamonds are a beautiful and popular choice for those looking for a unique and elegant diamond cut. It is important to consider the diamond’s faceting pattern, symmetry and proportion, and the 4 C’s when searching for the perfect oval shape diamond. With its elongated shape, it can make a ring look more dramatic and can be a great alternative for those who want a round diamond but with a more distinctive look.

A cushion shape diamond, also known as a pillow cut diamond, is a popular diamond cut that combines the traditional round cut with a square shape. The result is a diamond that has rounded corners and a larger surface area, which allows for more light to be reflected and refracted, resulting in a sparkling and brilliant appearance.

The cushion shape diamond is a great choice for those who want a classic and timeless look, while also wanting a unique and modern touch. It is often used in engagement rings and other fine jewelry pieces.

One of the key characteristics of a cushion shape diamond is its faceting pattern. The diamond’s pavilion, or bottom portion, typically has a larger number of facets than a round diamond, which helps to increase the diamond’s fire and sparkle. The crown, or top portion, of the diamond also has a unique faceting pattern, with elongated facets that give the diamond a more rectangular appearance.

Another important factor to consider when looking for a cushion shape diamond is the diamond’s symmetry and proportion. A well-proportioned cushion shape diamond will have well-balanced proportions, with a symmetrical shape and a consistent width and depth. This helps to ensure that the diamond will have a balanced and pleasing appearance.

When it comes to grading a cushion shape diamond, the 4 C’s are considered. Carat weight, Cut, Clarity and Color . Carat weight will determine the diamond’s size, Cut will determine how well the diamond has been cut and how much sparkle it has, Clarity will determine if there are any internal or external flaws present, and Color will determine the diamond’s color.

In conclusion, cushion shape diamonds are a beautiful and popular choice for those looking for a timeless and unique diamond cut. It is important to consider the diamond’s faceting pattern, symmetry and proportion, and the 4 C’s when searching for the perfect cushion shape diamond.

Princess cut diamonds, also known as square modified brilliant diamonds, are a popular diamond shape that is known for its modern and elegant appearance. They are square or rectangular in shape with pointed corners and have a unique set of 57 or 58 facets that allow for maximum sparkle and brilliance.

The princess cut diamond was first developed in the 1960s and has since become one of the most popular diamond shapes in the world. It is a versatile shape that can be used in a variety of different jewelry settings, such as engagement rings, earrings, and pendants.

One of the unique features of princess cut diamonds is that they can be cut to different proportions, which can affect the diamond’s overall sparkle and brilliance. A well-proportioned princess cut diamond will have a high degree of symmetry and will be cut to maximize the diamond’s light performance.

When shopping for a princess cut diamond, it’s important to consider the Four Cs: carat weight, color, clarity, and cut. Carat weight refers to the weight of the diamond, and larger diamonds will typically be more expensive. Color refers to the presence of any color in the diamond, with colorless diamonds being the most valuable. Clarity refers to the presence of any inclusions or blemishes in the diamond, with flawless diamonds being the most valuable. Cut refers to the quality of the diamond’s cut and how well it is proportioned, which affects the diamond’s sparkle and brilliance.

Princess cut diamonds are a modern and elegant choice for anyone looking for a unique and sparkling diamond. With its versatile shape and sparkling brilliance, it makes a perfect choice for any occasion.

Round shape diamonds, also known as round brilliant diamonds, are the most popular and classic diamond shape. They have a circular shape with 58 facets (57 if not including the culet) that are cut to specific angles and proportions to maximize the diamond’s brilliance, fire, and sparkle.

The round shape diamond was first introduced in the early 1900s by Marcel Tolkowsky, a diamond cutter and mathematician. He used mathematical formulas to create the ideal cut for a round diamond, which is known as the Tolkowsky Ideal Cut. This cut maximizes the diamond’s light performance by ensuring that the majority of light entering the diamond is reflected back through the top of the diamond, creating a dazzling sparkle.

Round shape diamonds are versatile and can be set in a variety of different styles of jewelry, such as engagement rings, earrings, and pendants. They are also the most popular shape for solitaire settings, where the diamond is the focal point of the piece.

When shopping for a round shape diamond, it’s important to consider the Four Cs: carat weight, color, clarity, and cut. Carat weight refers to the weight of the diamond, and larger diamonds will typically be more expensive. Color refers to the presence of any color in the diamond, with colorless diamonds being the most valuable. Clarity refers to the presence of any inclusions or blemishes in the diamond, with flawless diamonds being the most valuable. Cut refers to the quality of the diamond’s cut and how well it is proportioned, which affects the diamond’s sparkle and brilliance.

Round shape diamonds are a classic and timeless choice, and their popularity and versatility make them a great choice for any occasion.

Lab-grown diamonds are an environmentally friendly and sustainable alternative to natural diamonds. The process of mining natural diamonds can have a significant impact on the environment, including the use of large amounts of water and the destruction of land. However, lab-grown diamonds are created in a laboratory setting, using advanced technology that mimics the natural process of diamond formation.

One of the most significant environmental benefits of lab-grown diamonds is the reduction in water usage. According to estimates, it takes an average of 109 gallons of water to mine 1 carat of natural diamond. In contrast, lab-grown diamonds do not require water to be mined, meaning that the environmental impact of lab-grown diamonds is significantly less than that of natural diamonds.

In addition to water conservation, lab-grown diamonds also require less land to be mined. The process of mining natural diamonds involves removing large amounts of soil and rock, which can lead to the destruction of habitats and ecosystems. Lab-grown diamonds, on the other hand, are created in a laboratory setting, meaning that no land needs to be mined to create them.

Another benefit of lab-grown diamonds is that they are typically less expensive than natural diamonds. The price of lab-grown diamonds is usually 50% less than that of natural diamonds, which makes them a cost-effective and sustainable alternative.

In conclusion, lab-grown diamonds have a significantly lower environmental impact than natural diamonds, and they are less expensive and more sustainable. By choosing a lab-grown diamond, you can save 109 gallons of water, 250 tonnes of land, and 50% of your money while still getting a beautiful, sparkling diamond.

Lab-grown diamonds are becoming an increasingly popular alternative to natural diamonds. They are chemically, physically, and optically identical to natural diamonds, but are created in a controlled laboratory environment. Here are some reasons why you may choose a lab-grown diamond over a natural one:

Economic value: Lab-grown diamonds are generally less expensive than natural diamonds of the same quality. This is because lab-grown diamonds do not have the added cost of mining and the markup that comes with it. In addition, lab-grown diamonds do not hold the same historical and emotional value as natural diamonds, which also affects their price.

Ethical considerations: The diamond mining industry has a long history of human rights abuses and environmental degradation. Many lab-grown diamond companies are committed to ethical and sustainable practices, which can give consumers peace of mind when purchasing a lab-grown diamond.

Uniqueness: Lab-grown diamonds come in a wide range of colors, which can make them a unique and personalized option for jewelry. They also can be produced in large quantities in a controlled environment, which can make them more readily available than some natural diamonds.

Technology and Advancement: Lab-grown diamonds are created using cutting-edge technology which allows for precise control over the diamond’s characteristics. This means that lab-grown diamonds can be created with fewer inclusions and blemishes, and can have a higher clarity and color grade than some natural diamonds.

In conclusion, lab-grown diamonds have several advantages over natural diamonds, including being more affordable, ethically sourced, unique, and created with the latest technology. With this knowledge, consumers can make an informed decision and choose the diamond that best suits their needs and values.

The 4 Cs of diamonds are the four characteristics that are used to evaluate the quality of a diamond. These characteristics are Carat weight, Cut, Clarity, and Color. Understanding these 4 Cs is important when purchasing a diamond as it will help you to make an informed decision and ensure that you are getting the best value for your money.

Carat Weight 

Carat weight is the measurement of the diamond’s weight, with one carat equalling 0.2 grams. The carat weight of a diamond is an important factor that determines its value. A larger diamond will generally be more valuable than a smaller diamond of the same quality. However, it is important to note that the size of a diamond does not necessarily indicate its overall quality. A one-carat diamond with poor cut, clarity, and color will not be as valuable as a half-carat diamond that is well-cut, has high clarity, and is colorless.

Cut

The Cut of a diamond refers to its proportions, symmetry, and polish. A well-cut diamond will have optimal light performance and sparkle, while a poorly cut diamond will appear dull. A well-cut diamond will reflect the light that enters it, which is what creates the sparkle. The angle and depth of the cut will determine how much light is reflected, and a well-cut diamond will have a balance of light entering and reflecting. A poorly cut diamond will have light leakage, which will result in a dull appearance. It is important to note that a well-cut diamond will appear larger than a poorly-cut diamond of the same weight.

Clarity

Clarity refers to the presence of internal and external characteristics in a diamond, known as inclusions and blemishes. Inclusions are natural characteristics such as crystals or minerals found within the diamond, while blemishes are external characteristics such as scratches or nicks. The fewer inclusions and blemishes a diamond has the higher its clarity. Clarity is graded on a scale, with diamonds that are completely free of inclusions and blemishes being considered the most valuable.

Color

Diamonds come in a range of colors, from colorless to yellow or brown. Colorless diamonds are the most valuable, while yellow or brown diamonds are less valuable. The GIA diamond color scale ranges from D (colorless) to Z (light yellow or brown). D, E, and F are considered colorless, G-J are near colorless, K-M are faint yellow, N-R are very light yellow and S-Z are light yellow.

As a manufacturer of lab-grown diamonds, we understand the importance of having a strong and reliable infrastructure in place. That’s why we have invested in state-of-the-art facilities and equipment, staffed by a team of highly skilled professionals, to ensure that each diamond we produce is of the highest quality.

Our advanced infrastructure is built around the latest technology, including chemical vapor deposition and high-pressure, high-temperature methods, which allow us to create diamonds that are virtually indistinguishable from mined diamonds. We also have a team of expert diamond cutters and polishers who work tirelessly to bring out the natural beauty and brilliance of each diamond.

We are committed to sustainability and ethical practices, and our lab-grown diamonds are a testament to this. They are environmentally friendly, socially responsible, and a cost-effective alternative to mined diamonds.

We invite you to take a tour of our state-of-the-art infrastructure and see for yourself how we are unlocking the potential of lab-grown diamonds. Our diamonds come with a lifetime warranty and certification, assuring customers that they are getting the best quality diamonds on the market.

“From Carbon to Crystal: The CVD Process at Rahi Impex”

At Rahi Impex, we are proud to be at the forefront of the lab-grown diamond industry, utilizing the latest technology and techniques to create diamonds that are not only stunning and high-quality, but also ethically and environmentally responsible.

Our CVD diamond process is a safe and efficient method that mimics the natural diamond formation process, resulting in diamonds that are chemically and physically identical to natural diamonds. This means that our lab-grown diamonds are just as beautiful and valuable as mined diamonds, but without the negative impact on the environment and communities.

As consumers become more conscious of the impact of their purchases, the demand for lab-grown diamonds is on the rise. Rahi Impex is uniquely positioned to meet this demand with our wide range of lab-grown diamonds, suitable for all budgets and styles. From classic solitaires to trendy statement pieces, we have a diamond that will appeal to every taste.

We understand that every business is unique, and that’s why we offer flexible solutions that can be tailored to meet your specific needs. Whether you’re a wholesaler, distributor, jeweler, or retailer, our team of experts is here to help you find the perfect lab-grown diamonds for your business and help you tap into the growing market for ethical and sustainable diamond options.

Don’t miss out on this opportunity to offer your customers a better alternative. Contact us today to schedule a consultation and discover how Rahi Impex lab-grown diamonds can help your business thrive.