The Ultimate 2026 Lab Grown Diamond Price & Shape Guide (Know Before You Buy!)

In 2026, lab-grown diamonds are the clear choice for purchasers who seek brilliance, value, and sustainability all in one package. It's important to know about shape and price trends before you buy an engagement ring, add to your jewellery collection, or buy a statement item.

This complete guide has everything you need to know, from the price of a 1 carat lab-grown diamond in India in 2026 to the most recent price list for IGI-certified lab-grown diamonds. It also includes information about high-end choices like the price of a 5 carat lab-grown diamond ring.

If you're looking for high-quality lab-grown diamonds, websites like The6C are helping Indian buyers make smart, honest, and confident buying choices.

 

Price of a 1 Carat Lab Grown Diamond in India in 2026

The 1 Carat Lab Grown Diamond Price in India 2026 is still the most sought-after category this year, and for good reason. A1 carat diamond is the correct size, looks good, and is affordable.

Average Price Range in India for 2026

Loose 1 carat lab-grown diamonds cost between ₹25,000 and ₹45,000.

 

The price changes depend on:

·       Cut: Excellent/Very Good

·       Colour (D–H range)

·       IF–VS2 Clarity

·       IGI certification is preferred.

·       Lab-grown diamonds are 70–85% affordableer than real diamonds, yet they don't lose any of their chemical or optical qualities.

·       A 1-carat lab-grown diamond ring for an engagement ring usually costs between ₹35,000 and ₹75,000, depending on the metal (gold or platinum) and how complicated the design is.

·       Price List for IGI Certified Lab Grown Diamonds (2026)

When you buy a lab-grown diamond, certification is quite important. The International Gemological Institute (IGI) certifies:

·       Quality of the cut

·       Weight in carats

·       Grade of colour

·       Grade of clarity

·       Method of growth (CVD or HPHT)

Estimated Price List for IGI Certified Lab Grown Diamonds in India in 2026

Weight in CaratsPrice Range (Loose Stone)

·       0.50 Carat: ₹12,000 to ₹22,000

·       1 Carat: ₹25,000 to ₹45,000

·       2 Carat: ₹70,000–₹1,20,000

·       3 Carat: ₹1,80,000 to ₹3,00,000

·       5 Carat: ₹4,50,000–₹8,00,000

 

Prices change based on:

·       D-F colour premium

·       VVS clarity demand

Trends in market supply in 2026

·       Reputable merchants like The6C make sure that everything is clear by giving buyers IGI-certified stones with full grading reports. This lets purchasers compare quality with confidence.

·       The Most Common Diamond Shapes in 2026

·       Shape is quite important for both price and looks. Some shapes make things look bigger, while others make them shine more.

·       Round Brilliant (Most Costly Per Carat)

·       Most wanted

·       Most brilliance

·       High prices because to rough waste

·       Perfect for traditional engagement rings.

·       Cut in an oval shape

·       Looks bigger than round

·       Long, elegant look

·       5–10% less expensive than round

·       Emerald Cut

·       Step-cut style that is very advanced

·       Clarity is more important than dazzle

·       Great for a simple, luxurious look

·       Cut with a cushion

·       Charming from the past

·       Soft edges

·       Brilliance that is balanced

·       Cut in the shape of a princess

·       Square shape in modern times

·       A lot of sparkle

·       A lot of younger people like it

·       In India, oval and emerald cuts are very popular in 2026 because they look bigger and more beautiful.

 

Cost of a 5 Carat Lab Grown Diamond Ring in 2026:

The 5 Carat lab-grown diamond ring price has dropped a lot over the past few years, making it easier to buy a strong statement piece.

 

·       Average Price for a 5-Carat Diamond in India in 2026

·       The price of a loose 5-carat lab-grown diamond is between ₹4,50,000 and ₹8,00,000.

·       Full 5 Carat Ring (Gold or Platinum Setting): ₹5,50,000 to ₹10,00,000+

·       The main factors that affect prices are:

·       Cut grade (Excellent raises the cost a lot)

·       Colour (D–F premium range)

·       Clarity (VVS1 and VVS2 are quite important)

·       Shape (Round is the most expensive)

·       A natural 5-carat diamond can cost between ₹2 and ₹4 crores, which makes lab-grown diamonds much easier to get.

·       More and more people are choosing high-carat diamonds for anniversary rings, expensive gifts, and jewellery sets that are worth a lot of money.

 

What Influences Lab Grown Diamond Prices in 2026?

1. How to Grow

·       CVD (Chemical Vapour Deposition): This is more frequent in India.

·       HPHT (High Pressure High Temperature): A small extra cost in some circumstances.

 

2. Quality of the Cut

Cut has a bigger effect on brilliance than carat weight. An Excellent cut diamond costs extra since it reflects more light.

 

3. Grade of Colour

·       D–F: No colour (premium)

·       G–H: Almost colourless (optimal value)

·       I–J: Good for your budget

 

4. Clarity

·       IF / VVS: A high-quality investment grade

·       VS1 / VS2: The best balance

·       SI: Budget choice

 

Why you should buy in 2026

The market for lab-grown diamonds in India has increased a lot:

 

·       More production at home

·       More openness in certification

·       Because of worldwide availability, prices are competitive.

·       More and more people are accepting engagement rings

·       People are becoming more knowledgeable and prefer certified, ethically sourced diamonds over traditional ones.

·       Companies like The6C are changing the way people buy things by focusing on education, clear certification, and fair prices.

·       Things to Know Before You Buy

·       Choose stones that have been verified by IGI every time.

·       For the most brightness, cut should come before carat.

·       Look at the prices per carat for different forms.

·       Request full transparency in the grading report.

·       Look over the return policy and the possibilities for upgrades.

·       If you're buying a diamond worth a lot of money (3–5 carats), ask for HD movies and information about how the diamond looks in different lights before you buy it.

 

Conclusion

The 2026 price of a 1 Carat Lab Grown Diamond in India makes luxury more affordable than ever. The new IGI Certified Lab Grown Diamonds price list also helps customers make wise comparisons by giving them precise standards.

The 5 Carat lab-grown diamond ring pricing shows that you don't have to spend a lot of money to get a statement piece with amazing brightness.

As more people learn about lab-grown diamonds and trust sites like The6C, 2026 is shaping up to be a big year for buyers in India.

If you want to buy a diamond this year, make sure it has a good certification, a good cut, and comes from a reliable source. This will ensure that you get a diamond that is beautiful, valuable, and will make you happy for a long time.