2 Carat Lab Grown Diamond Price in India (Complete 2026 Buyer's Guide)

Quick Answer: The 2 carat lab grown diamond price in India ranges between ₹90,000 and ₹2,00,000 for an IGI-certified loose stone in 2026, depending on the 4Cs. When set in 14K or 18K gold as a solitaire ring, the total price typically falls between ₹1,30,000 and ₹2,60,000. This is approximately 80-85% cheaper than a 2 ct natural diamond, which costs ₹6-9.5 lakh in India for the same quality. A 2 carat lab grown diamond measures about 8.1mm across - significantly larger and more impressive than a 1 ct stone.

If you're upgrading from a 1 ct to a 2 ct lab grown diamond for an engagement ring, anniversary gift, or a statement piece this guide gives you everything you need. Real 2026 pricing, what affects the cost, and how to buy smart.

Written by the Goenka Jewellers team.

2 Carat Lab Grown Diamond Price in India 2026

Here's what a 2 carat lab grown diamond actually costs in India in 2026, broken down by quality grade:

All prices for IGI-certified, Excellent-cut round brilliant 2 carat lab grown diamonds, loose stone only.

2 Carat Lab Grown Diamond Jewellery Pricing

When you add a setting, the math changes. Here is what a 2 ct lab grown diamond piece costs in India today:

These ranges reflect current Indian retail pricing for IGI-certified, well-cut 2 carat lab grown diamonds.

How Big Is a 2 Carat Lab Grown Diamond?

A 2 ct round brilliant lab grown diamond measures approximately 8.1mm in diameter — visibly larger than a 1 ct stone (6.5mm). The visual difference is significant and immediately noticeable when worn on a hand.

For comparison:

Fancy shapes like oval, pear, and marquise look noticeably larger than round at the same carat weight — a smart choice if you want maximum visual impact for your budget.

What Decides the Price of a 2 Carat Lab Grown Diamond?

Two 2 ct stones can have a ₹70,000+ price difference even when they look similar. Here's why.

1. Cut Quality - The Most Important Factor

An Excellent cut produces maximum brilliance and fire. The premium over Very Good cut is 10-20%, but every rupee is worth it. A 2 ct lab grown diamond with a poor cut will look dull regardless of how much you paid.

2. Colour Grade

For most Indian buyers, G or H colour is the sweet spot  invisible to the naked eye, but 15-25% cheaper than D colour. D-colour stones can add ₹40,000-₹60,000 to the price of a 2 ct lab grown diamond.

3. Clarity Grade

VS1 to VS2 clarity is "eye-clean" -  no inclusions are visible without magnification. Paying for VVS or IF means paying for differences only a 10x loupe can detect.

4. Certification

IGI and GIA are the gold standards. Never buy an uncertified 2 ct lab grown diamond — at this price point, certification is essential for both verification and resale.

5. Shape

Round brilliant is the most expensive cut because it wastes the most rough during shaping. Fancy shapes like oval and cushion cost 10–20% less for the same 2 ct weight, and many look larger.

6. Growth Method (CVD vs HPHT)

For finished, certified 2 ct stones, the price difference between CVD and HPHT is usually under 5%. Both produce real diamonds.

2 Carat Lab Grown Diamond vs Natural Diamond — The 2026 Price Comparison

This is where the savings become impossible to ignore.

A 2 ct natural diamond solitaire ring in 18K gold can easily cost ₹10–12 lakh. The same specification in a 2 ct lab grown diamond costs around ₹2 lakh. Same brilliance, same hardness, same IGI certification — different origin, dramatically different price.

For someone with a ₹2 lakh budget, this is the difference between:

• A 0.70 ct mined diamond ring, OR
• A 2 ct certified lab grown diamond ring

The 2 ct lab grown stone is nearly 3 times larger and visibly more impressive.

Smart Buying Tips for a 2 Carat Lab Grown Diamond

At the 2 ct price point, every decision affects the final price by tens of thousands of rupees. A few rules to follow:

Always insist on IGI or GIA certification. Verify the certificate number on igi.org or gia.edu before paying.

Prioritise cut over everything else. An Excellent cut on a E colour stone outshines a Very Good cut on a D colour stone, every single time.

Don't pay for invisible quality. Above VVS2 clarity and above E colour, you're paying extra for differences invisible to the naked eye just for the sake of certification.

Compare loose stone + setting separately. Ask for the price breakup - diamond cost, gold weight × current gold rate, making charges, and GST listed separately.

Consider fancy shapes. Oval and cushion 2 ct lab grown diamonds look 10-15% larger than round and cost 10-20% less.

Buy direct from a manufacturer or D2C brand. Retail markups at large chains can add ₹40,000+ on a 2 ct stone.

For an engagement ring, a 2 ct lab grown solitaire in 18K gold at ₹1,00,000/-  is one of the best value purchases you can make in 2026.

Why Choose Goenka Jewellers for Your 2 Carat Lab Grown Diamond?

At Goenka Jewellers, every 2 ct lab grown diamond is IGI-certified, hand-selected for cut brilliance, and priced with a transparent breakup. No hidden markups, no inflated MRPs, no upselling on invisible grades.

Whether you're upgrading from a 1 ct to a 2 ct stone, buying your first solitaire, or commissioning a custom design, our diamond specialists will walk you through your options at every budget  from ₹25,000 entry pieces to ₹30,000 premium E-colour heirlooms.

Frequently Asked Questions

Q. What is the price of a 2 carat lab grown diamond in India in 2026?

A 2 carat lab grown diamond in India costs between ₹50,000 and ₹60,000 for an IGI-certified loose stone, depending on the 4Cs. Set in 14K or 18K gold as a solitaire ring, the total price ranges from ₹1,00,000 to ₹1,60,000.

Q. How much cheaper is a 2 carat lab grown diamond than a natural diamond?

A 2 carat lab grown diamond is 80-85% cheaper than a natural diamond of the same quality. A natural 2 ct diamond costs ₹6-9.5 lakh in India; a 2 ct lab grown diamond of equivalent quality costs ₹50,000.

Q. How big is a 2 carat lab grown diamond?

A 2 ct round brilliant lab grown diamond measures approximately 8.1mm in diameter - about 25% larger in visible diameter than a 1 ct stone. Fancy shapes like oval and marquise look even larger.

Q. Is a 2 carat lab grown diamond a good choice for an engagement ring?

Absolutely. A 2 ct lab grown diamond engagement ring offers the same brilliance, certification, and visual impact as a 2 ct natural diamond ring, but at 80% less cost. It's the most popular choice for modern Indian engagement rings in 2026.

Q. What is the price of a 2 carat lab grown diamond ring in 18K gold?

A 2 ct lab grown diamond solitaire ring studded in 18K gold at Goenka Jewellers costs between ₹1,00,000 and ₹1,30,000 in India in 2026. The exact price depends on the 4Cs of the diamond and the gold weight of the setting.

Q. Is IGI or GIA certification better for a 2 carat lab grown diamond?

Both are reliable. IGI is the preferred certification in India because it has dedicated grading labs for lab grown diamonds and its reports are widely accepted across Indian jewellers and buyers.

Q. Should I choose CVD or HPHT for a 2 carat lab grown diamond?

For a 2 ct stone, CVD is the more common choice in India and offers excellent value.

Q. Will a 2 carat lab grown diamond hold its value?

Lab grown diamond resale value at Goenka Jewellers is currently 80% of retail in India. Like all diamonds, a 2 ct lab grown diamond is not a strong financial investment - it is bought for beauty and personal enjoyment. For long-term value, gold holds value far better than any diamond.

Q. What shape 2 carat lab grown diamond looks the biggest?

Marquise, pear, and oval 2 ct lab grown diamonds look the largest visually because of their elongated shape. Marquise can look up to 15% larger than a round of the same carat weight, while costing 10-15% less.

Q. Can I get a 2 carat lab grown diamond ring under ₹1.5 lakh in India?

Yes. A well-cut, IGI-certified 2 ct lab grown diamond in E colour, VVS2 clarity, set in 18K gold with a clean solitaire setting, fits comfortably under ₹1.5 lakh at Goenka Jewellers in 2026.