Complete Guide to Buy a Lab Grown Diamond

Lab-grown diamonds have gone from a controversial idea to one of the biggest success stories in fine jewellery. Loved for their beauty, brilliance, and incredible value, they've changed the way an entire generation thinks about luxury. 

But how did a diamond grown in weeks become one of the most desired pieces of modern jewellery? That's where the story gets interesting. 

What is a Lab Grown Diamond ?

A laboratory grown diamond is a real diamond, but is produced in a lab rather than being extracted out of the earth. 

If you have ever wondered what is lab-grown diamonds, the answer is simple: they possess the same physical, chemical, and optical properties as natural diamonds. 

The main difference is its origin:

• Diamonds occur naturally in the ground and are formed after many billions of years.

• Lab-grown diamonds are created in advanced laboratories using high-tech technology within a few weeks.  
  

How Lab-Grown Diamonds Are Created ?

Lab-grown diamonds can be made within two categories: Chemical Vapour Deposition (CVD) and High Pressure High Temperature (HPHT) 

These methods are among the major types of diamonds available today based on their origin and manufacturing process. 

Chemical Vapour Deposition (CVD) 

CVD produces diamonds by growing them out of gas, and provides more control over colour and quality. 

• Seed Placement: A thin diamond slice is put in a vacuum chamber.

• Gas Introduction: A gas rich in carbon, such as methane, enters the chamber and is heated in the chamber to 800–1,200°C.

• Plasma Activation: The gas is converted into plasma (typically by microwaves), and the molecules are broken down.

• Layered Growth: The layers of a diamond are formed by carbon atoms bonding to the seed.

• Finishing: After reaching the desired size, the diamond is cooled, removed, and polished.

High Pressure High Temperature (HPHT)

The first process to make lab diamonds was HPHT. It imitates the intense heat and pressure found deep within the Earth.

• Seed Diamond: A tiny diamond fragment is the seed

• Heat and Pressure: The seed is put in a chamber, and it is subjected to unbelievable heat (as high as 1,600°C) and extreme pressure (such as 5-6 gigapascals).

• Diamond Growth: The carbon melts and starts to crystallise on the seed, creating a bigger diamond. 

• Finishing: After the diamond has attained the required size, it is thoroughly cooled, washed, and polished for use.

Both methods produce diamonds that meet the same standards as mined diamonds. A lot of them have an IGI certificate that confirms the genuineness and quality. 

Why Are Lab-Grown Diamonds Becoming So Popular? 

Lab-grown diamonds have been the new favourite among jewellery enthusiasts in the modern world, having combined the elements of beauty, innovation and conscious luxury. 

• Affordability: One of the biggest reasons behind their growing popularity is the attractive lab-grown diamond price. Compared to natural diamonds, they offer exceptional value, allowing buyers to choose a larger or higher-quality diamond while staying within budget.

• Ethical and Eco-Friendly: Lab-grown diamonds are an ethically and environmentally conscious alternative for those who value sustainability and transparency.

• Modern Luxury: With the changing times around the world of jewellery, lab-grown diamonds are rebranding luxury in a new, future-forward way that is appealing to the younger generation. 

• Exceptional Quality: Since they share the same properties as natural diamonds, buyers enjoy identical sparkle and durability. This shift towards conscious luxury is reflected in Limira's collection of refined, gender-neutral jewellery designed for everyday wear.

This growing love for thoughtful luxury is reflected in Limira’s designs, with timeless pieces made for people who value beauty, quality, and meaning. 

Variety in Colours, Cuts, and Carats

Growing diamonds in laboratories comes in an impressive range of attractive shapes and colours, so that there is something to suit every individual style and taste. With the classic round cuts, oval, princess and pear designs, the possibilities are unlimited. They are also crafted in pretty colour choices, such as classic white, and have fancy and interesting colour choices such as pink, yellow and blue. 

The consistency of the colours and at a better price is easier to attain under controlled lab conditions. Carat weight is another advantage. A 1-carat mined diamond can be expensive, but a lab-grown diamond price of the same size often costs 30–40% less, letting you enjoy more sparkle for your money.

Why IGI Certification Matters for Lab-Grown Diamonds ?

A diamond’s true value is best understood through its certification. The two names you'll hear most are IGI and SGL. Both grade lab-created diamonds the same way they grade mined ones: cut, colour, clarity, and carat.

IGI certificate issued by the International Gemological Institute has become the standard for lab-grown diamonds. When a jeweller says "IGI lab-grown diamond certified," they mean the diamond came with an official report grading its quality. That report is your proof. 

Consumers can also perform an IGI certificate check online using the unique report number provided with the diamond to verify its details and ensure complete transparency. 

Understanding the 4 Cs of Diamonds

The 4 Cs of diamonds are the universal standards used to determine a diamond's quality and value. They include:

• Cut: Determines how brilliantly a diamond reflects light.

• Colour: Measures the absence of colour, with D being the highest grade.

• Clarity: Evaluates natural inclusions and blemishes.

• Carat: Indicates the weight and size of the diamond.

Whether you are buying natural or lab-grown diamonds, understanding the 4 Cs of diamond helps you make an informed choice.

Conclusion

Lab-grown diamonds are transforming the jewellery world in all the right ways. They provide the same beauty, brilliance, and durability as natural diamonds while being more accessible in terms of lab-grown diamond price. 

To the modern consumer, it is no longer about having a diamond, but rather about making a decision that is right in all aspects.

With technology still defining the new world of fine jewellery, these diamonds are not merely an option; they are now the new choice of a new generation of intelligent, conscious consumers.  At Limira, we create refined, gender-neutral pieces with lab-grown diamonds, designed to feel just as right every day as they do on special occasions. 

Frequently Asked Questions 

1. Are lab-grown diamonds real diamonds?

The answer is yes, lab-grown diamonds are real diamonds that are as brilliant, strong and chemically composed as natural diamonds. The difference is that they are produced with great care in well-equipped laboratories with up-to-date technology. 

2.  Are lab-grown diamonds a good investment?

Lab-created diamonds typically sell for less than natural diamonds because they are easy to produce. However, they are widely bought due to their price, attractiveness, and moral attributes rather than as an investment. 

3. Do lab diamonds cost less?

Yes, lab-grown diamond prices are generally lower compared to mined diamonds, making them a smart purchase for modern consumers.  They are also generally affordable, so you can invest wisely and then select a bigger or better quality diamond within your budget. To smart consumers, lab-grown diamonds are a blend of beauty, quality, and enhanced value without sacrificing on luxury. 

4. Can lab-grown diamonds be suitable for everyday jewellery? 

Yes, lab-grown diamonds are as durable as natural diamonds and ideal for everyday wear. They are an excellent choice for engagement rings, earrings, and other fine jewellery pieces.