What Are Lab Grown Diamonds? Everything You Need to Know in 2026

Diamonds have always carried a deep emotional weight, they represent love, milestones, and personal style. But in recent years, a quiet revolution has been reshaping how people think about diamonds. Lab grown diamonds have moved from being a curiosity to becoming the preferred choice for millions of buyers across the country.

If you have been hearing about lab grown diamonds and wondering whether they are worth it, this post will walk you through everything, what they are, how they are made, why they are gaining popularity, and how to pick the right jewellery.

What Exactly is a Lab Grown Diamond?

A lab grown diamond is a real diamond. Full stop.

It is not cubic zirconia. It is not moissanite. It is not a "fake" or an imitation. A lab grown diamond has the exact same chemical composition (pure crystallised carbon), physical hardness, and optical brilliance as a diamond that comes out of the earth.

The only difference? Where it was born.

Natural diamonds form deep beneath the earth's surface over billions of years under extreme heat and pressure. Lab grown diamonds are created in advanced laboratories that replicate those same conditions, but in a matter of weeks instead of millennia.

Two primary technologies make this possible:

HPHT (High Pressure High Temperature), This method mimics the natural geological process by applying intense pressure and heat to a carbon seed until it crystallises into a diamond.

CVD (Chemical Vapour Deposition), A thin slice of diamond seed is placed in a sealed chamber filled with carbon-rich gas. The gas is heated until carbon atoms begin depositing onto the seed, layer by layer, forming a diamond crystal.

Both methods produce diamonds that are indistinguishable from mined ones, even to trained gemologists using standard equipment.

Are Lab Grown Diamonds Certified?

Yes, and this is one of the most important things to check when buying.

Reputable lab grown diamonds come with certification from internationally recognised gemological laboratories such as IGI (International Gemological Institute) and SGL (Solitaire Gemological Laboratories). These certificates grade each diamond on the same 4C parameters used for natural diamonds, Cut, Colour, Clarity, and Carat weight.

In January 2026, the Bureau of Indian Standards also enforced new terminology rules under IS 19469:2025, creating clear distinctions between natural and laboratory-created diamonds. This regulatory step has brought even more transparency and consumer confidence to the market.

When shopping, always insist on a certified stone. Brands like AYAANI, for instance, provide SGL and IGI certified diamonds across the entire collection, giving buyers documented proof of quality with every purchase.

Why Are Lab Grown Diamonds Gaining So Much Popularity in India?

The shift is not just about price (although that is a big part of it). Several forces are driving the change simultaneously.

The Price Advantage Is Significant

This is the most obvious reason. A 1-carat lab grown diamond in India typically costs between ₹25,000 and ₹70,000 for good quality, while a comparable natural diamond can range from ₹1,85,000 to ₹4,00,000. That translates to savings of 60–80% for an identical-looking stone with the same certification.

That kind of price difference does not just make diamonds cheaper, it makes them accessible. Buyers who previously thought diamond jewellery was out of reach can now own beautifully crafted pieces without stretching their finances.

A New Generation Thinks Differently

Millennials and Gen Z buyers approach jewellery differently than their parents did. They care about where things come from, how they are made, and what impact their purchases have. Lab grown diamonds are conflict-free by definition, they do not involve mining, land disruption, or the ethical concerns associated with the traditional diamond supply chain.

For this generation, choosing a lab grown diamond is not a compromise. It is a value-driven decision.

From Occasion Wear to Everyday Luxury

This might be the most interesting cultural shift. Traditional diamond jewellery in India was heavy, expensive, and stored in lockers, brought out only for weddings and major festivals. Lab grown diamonds are changing that mindset completely.

Because they are more affordable, people are buying diamonds they actually wear every day. Lightweight studs for the office. A delicate pendant for brunch. Stackable rings that grow with your personal collection over time. The question is no longer "can I afford a diamond?", it is "how often can I wear one?"

This is precisely the philosophy behind brands like AYAANI, whose collections are specifically designed around the idea of daily wear. The pieces are minimal, lightweight, and handcrafted to be part of your everyday life rather than sitting locked away.

The Indian Market in 2026: A Turning Point

India is not just a consumer of lab grown diamonds, it is a global powerhouse. The country processes roughly 90% of the world's diamonds, both natural and lab grown. Cities like Surat and Mumbai are responsible for the vast majority of India's lab grown diamond production.

The market numbers reflect this momentum. India's lab grown diamond jewellery market is valued at approximately $453 million in 2026 and is projected to grow at a 14.8% CAGR, potentially reaching $1.8 billion by 2036. Major organised jewellery players have entered the segment, and new brands are opening stores across tier-1 and tier-2 cities alike.

This is no longer a niche category. It is becoming a core part of India's jewellery ecosystem.

How to Choose the Right Lab Grown Diamond Jewellery

If you are planning to buy, here is what to keep in mind:

Insist on certification. IGI or SGL certificates are the standard. Do not buy uncertified stones, regardless of the price.

Understand the 4Cs. Just like natural diamonds, the cut, colour, clarity, and carat weight determine quality and price. Among these, cut quality has the biggest impact on how brilliant a diamond looks.

Check the metal quality. Good lab grown diamond jewellery is set in hallmarked gold, typically 14K or 18K. BIS hallmarking ensures you are getting genuine gold.

Think about wearability. Consider how often you will wear the piece. If it is for daily use, lighter and more minimal designs tend to work better than heavy statement pieces.

Choose a brand you can trust. Look for transparent pricing, clear return or exchange policies, and strong after-sales support.

This is where AYAANI stands out. AYAANI focuses on lab grown diamond jewellery that is designed for real, everyday life. Every stone is SGL or IGI certified, set in BIS hallmarked gold, and backed by a lifetime exchange and buyback policy.

The collection spans everything from engagement rings and solitaire earrings to tennis bracelets, mangalsutra designs, and daily wear pendants, available in 9K, 14K, and 18K gold across rose, white, and yellow options. With physical stores in Surat, Ahmedabad, Delhi, Chandigarh, Raipur, Jodhpur, and Mathura, plus a seamless online shopping experience, they have made luxury genuinely accessible.

The Bottom Line

Lab grown diamonds are not a trend. They are a fundamental shift in how people think about luxury, value, and responsibility. They offer the same beauty, durability, and emotional significance as mined diamonds, at a fraction of the cost, without the ethical baggage.

Whether you are shopping for an engagement ring, looking for everyday pieces you will actually wear, or building a jewellery collection that reflects your values, lab grown diamonds make sense in every way.

And if you are looking for a brand that brings all of this together, certified quality, thoughtful design, transparent pricing, and a genuine commitment to everyday luxury, AYAANI is a name worth exploring. Visit to browse the collections, or stop by one of the stores across India to see the sparkle for yourself.

FAQs

Do they last as long as natural diamonds?
Yes. They score a 10 on the Mohs hardness scale, just like mined diamonds. They will not fade, cloud, or lose their sparkle over time.

Can anyone tell the difference?
No. Lab grown and natural diamonds are visually and physically identical. Even professional gemologists need specialised equipment to distinguish between the two.

Do they have resale value?
The resale market for lab grown diamonds is evolving. Many brands now offer lifetime buyback and exchange programmes, which makes upgrading or changing your jewellery easy.

Are they truly eco-friendly?
They eliminate the environmental damage associated with mining, habitat destruction, water usage, and large-scale land disruption. While lab production does consume energy, the overall environmental footprint is significantly smaller, and many producers are shifting toward renewable energy sources.