1 Carat Lab Grown Diamond Price with SGL Certificate Under ₹50000

If you are about to buy a 1 carat diamond, you will notice one thing very quickly. The price difference is huge.

If you check a natural diamond first. It can go anywhere from ₹1.5 lakh to ₹4 lakh. And when you check the lab-grown diamonds, you get the lower prices. In fact, with lab-grown diamonds, you get the same hardness and chemical specifications within 50 thousand rupees.

You can see the gap yourself. You either spend your full budget on one diamond, or you get a full jewellery piece and still have money left. That’s why the 1 carat lab-grown diamond price in India is getting so much attention in 2026. And that is what we’re going to discuss in this guide. 

What Is a 1 Carat Lab-Grown Diamond?

If you are trying to understand this properly, you should note one basic thing first of all. A 1-carat lab-grown diamond is a real diamond. No difference in what you get. You have two methods used here. CVD and HPHT. Both create the same result in the end. A proper diamond with the same carbon structure, same hardness, same shine.

Now, when you hear 1 carat, you should not think about size directly. It’s about weight. One carat means 0.2 grams. But, in real terms, a well-cut diamond comes around 6.5mm, so that you can notice it in a ring or pendant.

You will see many people choosing this size for engagement or gifting. It looks strong, but it doesn’t push the budget too much like higher carats. The only real difference here is origin. Everything else remains the same.

Why SGL Certified Lab-Grown Diamonds Matter

You should not ignore this part. Before price, before design, you check the certificate. A diamond without proper certification is always a risk. And if the certificate itself is not from a known lab, then it doesn’t help much.

SGL stands for Solitaire Gemological Laboratories. In India, this name is quite common. Many brands use it, and customers are familiar with it.

When you buy SGL-certified lab-grown diamonds in India, you get proper details on paper. Like carat, colour, clarity, cut, and even the method used, like CVD or HPHT. Everything is written clearly in the report.

You also get a number on the certificate, and that same number is marked on the diamond itself. So you can match both. You can even check it online before you buy. That’s the main point. You don’t depend on what the seller says. You see proof and then decide.

1 Carat Lab Grown Diamond Price in India: What ₹50,000 Gets You

A 1-carat IGI-certified lab-grown diamond in India, right now, ranges from ₹25,000 for good quality (H colour, VS2 clarity), to ₹75,000 for premium quality (D colour, IF clarity). The most popular value range for you is ₹30,000 to ₹45,000 for G to H colour and VS1 to VS2 clarity with an Excellent cut.

Now, if you look at SGL-certified diamonds, they come in slightly lower than IGI-certified diamonds for similar specs. So ₹50,000 is the perfect budget for a 1-carat SGL certified piece.

At this range, you usually get:

• G or H Colour: Completely colourless to the naked eye, virtually indistinguishable from D or E colour in real life
• VS1 or VS2 Clarity: No visible marks. Even without tools, jewellers can’t tell the difference. 
• Excellent or Very Good Cut: This is the most important factor, because the cut shows how the diamond catches and throws light

Now one more thing. This price is for the diamond only. Once you add gold, making, and GST, the total goes higher. You also remember this. The lab grown diamonds cost in India changes from brand to brand. You should always ask for full price details before buying.

What Changes the Price: The 4 Factors That Matter

You may buy two 1-carat diamonds and still save some money. And it can be 20K to 30K or more, if you buy from the right store. So what changes here? Let’s check:

Cut: This is the main one. You can see it with your eyes. A good cut gives proper shine. A weak cut makes the diamond look dull, even if everything else is good. You should not go low on this part.

Colour: Scale goes from D to Z. But in real use, you don’t need a top grade. G or H are the best options, especially with gold jewellery. 

Clarity: This sounds big, but in daily use, it’s not that critical. VS1 and VS2 both look clear to your eye. You won’t notice much difference.

Carat Weight: Bigger diamonds cost more, but not in a straight way. And this is where the lab-grown diamond cost in India starts changing a lot between options.

1 Carat vs 2 Carat Lab Diamond Ring: Which One Is the Right Option?

Choosing the right carat is one of the hardest things if you are a new customer. And if you are buying an engagement ring or planning a gift, this becomes even more important. 

Now, let’s understand it in a simple way. 

• A 1-carat lab diamond ring in 18K gold costs around ₹50,000 to ₹90,000+ with SGL certification, for Very Good to Excellent Cut. 
• A 2-carat lab diamond ring in 18K gold costs around ₹90,000 to ₹2,00,000 plus, depending on quality. 

Now think about what you get. With 2 carats, you get a bigger size, of course. And which is a good thing, because it stands out more. In fact, it’s visible even from a distance. But with 1 carat, you can spend better on quality. Better cut, cleaner colour, maybe even a nicer design, all within budget.

So if your total budget is under ₹1 lakh, a well-cut 1-carat diamond would be a great choice. You can check our rings, bracelets, necklaces collections. 

Price Comparison Table: 1 Carat Lab Grown Diamond Options in India 2026

You can treat these prices as general 2026 rates. They may change based on the brand, design, and current gold price.

What Kind of Jewellery Can You Get at This Price Point?

If your budget is 50 thousand rupees, then here are the most popular options for you. Which you can buy from the Lukson store right now. 

1. Lab-Grown Diamond Rings

You can go for a simple solitaire ring in 14K or 18K gold with 1-carat SGL-certified diamonds. This is what most people choose in this range. And when it comes to making charges, a four-prong or six-prong solitaire setting is going to cost less. And that means, you can buy a high value diamond at the same price. You can check different lab-grown diamond rings based on style and setting.

2. Lab-Grown Diamond Earrings

You can get a pair of studs, 0.50 carat each, for a total of 1 carat, in 14K gold. And you can buy it for just ₹50,000 to ₹65,000. For any customer who is making their first lab-grown diamond purchase, earrings are the best starting point. You can check our lab-grown diamond earrings for daily wear options.

3. Lab Diamond Necklace

If you want to buy a lab-grown diamond necklace, you can then choose a 1-carat pendant with a gold chain. You can choose round or oval; both are very common. And for gifting purposes, this is one of the nice options. At our store, you can buy a necklace for roughly 8,000 to 50,000+ rupees. You can check the collection here. 

4. Lab-Grown Diamond Bracelet

Then, you can also buy a tennis bracelet with different small diamonds. In fact, when it comes to compatibility, you can wear it with any of our dresses, without a second thought in mind. A lab grown diamond bracelet is also popular for gifting, especially if you are gifting to your sister or friend.

Lab Grown Diamond Brands: How to Choose Without Getting Confused

The space of lab-grown diamond jewellery in India is getting crowded. Every brand says the same things. You will get certified, affordable, and good designs. But once you look a little deeper, you start seeing the difference.

You don’t need to check everything. Just focus on a few basics first.

Is the certification verifiable? The number must be shown on the SGL or IGI website. If you can’t find it there, that paper doesn’t help you.

Is the gold BIS hallmarked? The diamond certificate only covers the diamonds. Gold should have a BIS hallmark. 

Is there a buyback or exchange policy? This helps later if you want to upgrade. Not all lab-grown diamond brands in India offer this.

Why Should You Consider the Lukson Store?

Lukson is one of the leading lab grown diamond brands in India. And in fact, it has been serving in the market for more than 34 years. Also, Lukson lab-grown diamonds are backed by JK Star Group.

When you buy from the Lukson store, you will get SGL certification with the diamond and BIS hallmarking on the gold. So both the diamonds and the metal are properly verified.

You will also notice our pricing range starts from ₹2,999 and goes up to ₹2,00,000 plus. That means you can find a 1-carat SGL certified piece in a simple setting within ₹50,000, depending on the design.

You also get a lifetime buyback option, which helps if you plan to upgrade later.

You can check our collection, like lab-grown diamond rings, earrings, pendants, and bracelets, all available for delivery across major cities in India.