Lab Grown Diamond Price in India 2026: Complete Price Guide by Carat

If you are shopping for a lab grown diamond in India right now, price is probably the first thing on your mind. And fair enough. Lab grown diamonds have changed the market completely, but prices still vary a lot depending on where you buy, what quality you choose, and whether the stone is certified.

This guide breaks everything down. Carat by carat. Quality by quality. Mumbai market insights included.

Bookmark this page. We update it every month to reflect current market rates.

What Are Lab Grown Diamonds and Why Do Prices Differ So Much?

A lab grown diamond is chemically, physically, and optically identical to a mined diamond. Same crystal structure. Same hardness (10 on the Mohs scale). Same brilliance. The only difference is that it was grown inside a controlled environment using either HPHT (High Pressure High Temperature) or CVD (Chemical Vapor Deposition) technology, rather than pulled from the earth.

Prices differ because of four main variables: carat weight, cut quality, color grade, and clarity grade. These are the same “4Cs” that determine natural diamond pricing. A poorly cut 1 carat stone at I-J color can cost a fraction of a well-cut 1 carat stone at D-E color, even if both are lab grown.

Understanding this is important before you compare any lab grown diamond price in India 2026. A lower number does not always mean a better deal. It usually means a different quality.

Lab Grown Diamond Price in India 2026: How the Market Stands Right Now

The lab grown diamond market in India has matured significantly. In 2022, prices were still riding a premium due to limited supply. By 2024, oversupply from Chinese and domestic manufacturers pushed prices down sharply. In 2026, prices have stabilized at a level that offers strong value without the steep drops we saw two years ago.

Here is the broad picture for lab grown diamond price per carat India in 2026:

These are indicative prices for loose lab grown diamonds. Final prices depend on cut grade (Excellent/Very Good/Good), fluorescence, and certification status.

Want to know the exact price for a specific stone? Contact Mann Gems directly on WhatsApp for a real-time quote.

1 Carat Lab Grown Diamond Price India: The Most Searched Size

The 1 carat lab grown diamond is the most popular size for engagement rings and solitaire pendants. It sits at the sweet spot between visual presence and affordability.

1 carat lab grown diamond price India in 2026 typically falls between:

• ₹35,000 to ₹55,000 for good commercial quality (G-H color, SI1-VS2 clarity, Very Good cut)
• ₹55,000 to ₹85,000 for premium quality (E-F color, VVS1-VVS2 clarity, Excellent cut)
• ₹85,000 to ₹1,10,000 for top investment-grade quality (D color, IF-VVS1 clarity, Triple Excellent cut, IGI certified)

Compare this to a natural 1 carat diamond of similar quality, which would typically cost between ₹3,00,000 and ₹7,00,000 in India right now. That is a price difference of 70% to 85%.

For anyone buying a solitaire engagement ring, a 1 carat lab grown diamond delivers a stone that looks identical to a natural diamond, is certified by the same labs, and costs a fraction of the price.

2 Carat Lab Grown Diamond Price India: For Those Who Want to Go Bigger

A 2 carat diamond is visually very different from a 1 carat. It does not just look twice as big. The increased surface area changes how light interacts with the stone. It is a genuinely impressive size on the finger.

2 carat lab grown diamond price India in 2026:

• ₹1,00,000 to ₹1,50,000 for G-H color, VS1-VS2 clarity, round brilliant
• ₹1,50,000 to ₹2,00,000 for F-G color, VVS2-VS1 clarity, Excellent cut
• ₹2,00,000 to ₹2,80,000 for D-E color, VVS1 or better, premium cut and certification

A natural 2 carat diamond of comparable quality would cost ₹12,00,000 to ₹20,00,000 or more. The savings at this size are particularly compelling.

B2B buyers and resellers note: 2 carat and above lab grown diamonds in D-E color with IF to VVS1 clarity have strong retail demand in Tier 1 cities. Mumbai, Delhi, and Bengaluru see consistent movement of these sizes.

IGI Certified Lab Grown Diamond Price India: Does Certification Add to the Cost?

Yes, IGI certification adds to the cost of a lab grown diamond. But it also adds something more important: verifiable trust.

An IGI certified lab grown diamond comes with a grading report that independently confirms the stone’s carat weight, cut, color, clarity, and whether it is lab grown or natural. Without this certificate, you are essentially trusting the seller’s word on quality.

Price premium for IGI certification (approximate):

• 0.50 ct stone: ₹2,000 to ₹4,000 additional
• 1.00 ct stone: ₹4,000 to ₹8,000 additional
• 2.00 ct stone: ₹8,000 to ₹15,000 additional

For stones above 0.50 ct, always buy IGI certified. The cost of certification is a small fraction of the stone’s total price, and it protects you against misgrading.

Mann Gems stocks a full range of certified lab grown diamond price India options. Every stone above 0.30 ct in our inventory carries IGI certification. You can verify the certificate number on IGI’s official website before purchase.

Lab Grown Diamond Price Mumbai: Is the Mumbai Market Different?

Mumbai is the trading center of India’s diamond industry. Surat grows and manufactures diamonds. Mumbai buys, sells, and exports them. The Bharat Diamond Bourse in Bandra-Kurla Complex is one of the largest diamond trading facilities in the world.

What this means for buyers:

Lab grown diamond price Mumbai is generally more competitive than prices in other Indian cities. Because Mumbai-based dealers buy directly from manufacturers and trading houses, the supply chain is shorter. Fewer middlemen means lower prices passed on to the buyer.

A 1 carat E-F color, VVS2, Excellent cut IGI certified lab grown diamond that might retail for ₹90,000 in a mall-based store in Pune or Jaipur can often be sourced directly in Mumbai for ₹65,000 to ₹75,000 from a direct trade supplier.

Mann Gems operates directly out of Mumbai’s diamond trading network. This allows us to offer best price lab grown diamonds Mumbai to both retail customers and trade buyers without the markups that come from multiple distribution layers.

If you are based in Mumbai or can visit the city, buying directly from a trade source like Mann Gems gives you a clear pricing advantage over retail chains.

Lab Grown Diamond Price vs Natural Diamond India: The Honest Comparison

Here is a direct comparison for the same quality profile (F color, VS1 clarity, Excellent cut, round brilliant, IGI certified):

Are lab grown diamonds cheaper in India? Absolutely. And the savings percentage actually increases as you go up in carat weight. A 3 carat natural diamond at top quality can cost ₹35 lakh or more. A comparable lab grown stone costs under ₹5 lakh.

One important note: lab grown diamonds do not hold resale value the way natural diamonds do. Natural diamonds have historically retained some resale value, though this varies. Lab grown diamonds should be purchased for the joy of wearing a real diamond, not as a financial investment. If you are buying for an engagement, daily wear, or gifts, lab grown is an excellent choice. If you are buying purely as an asset, that is a different conversation.

Lab Grown Diamond Price Calculator India: How to Estimate Your Stone’s Price

No single calculator gives you an exact price because too many variables interact. But you can get a working estimate using this method:

Step 1: Start with a base price per carat

For a round brilliant, G color, VS2 clarity, Very Good cut stone in the current India market:

• Under 0.50 ct: approximately ₹25,000 to ₹35,000 per carat
• 0.50 ct to 1.00 ct: approximately ₹45,000 to ₹60,000 per carat
• 1.00 ct to 2.00 ct: approximately ₹60,000 to ₹80,000 per carat
• Above 2.00 ct: approximately ₹80,000 to ₹1,00,000 per carat (varies more by quality)

Step 2: Apply quality multipliers

• D color vs G color: add approximately 30 to 50%
• VVS1 vs VS2: add approximately 20 to 35%
• Excellent cut vs Very Good: add approximately 10 to 20%
• IGI certified vs uncertified: add approximately 8 to 15%

Step 3: Shape adjustments

Round brilliants command the highest prices. Fancy shapes (oval, cushion, emerald, pear) typically run 15 to 25% lower for the same quality parameters. Princess cuts are roughly 10 to 20% lower.

For a precise quote on any specific stone, contact Mann Gems. We will give you a current market price with no obligation.

Lab Diamond Rate Per Carat India: Shape-by-Shape Breakdown

The lab diamond rate per carat India varies by shape. Here is a breakdown for 1 carat stones at F-G color, VS1-VS2 clarity, in 2026:

Fancy shapes are particularly popular right now in Mumbai and Delhi. Oval lab grown diamonds have been the fastest-growing shape category in 2025 and 2026, driven largely by engagement ring trends.

Synthetic Diamond Price India: Understanding the Terminology

You may see lab grown diamonds sold under different names: lab grown, lab created, cultured diamonds, man-made diamonds, or synthetic diamonds. They all refer to the same product.

Synthetic diamond price India follows the same pricing as lab grown diamonds. The word “synthetic” has a negative connotation in some contexts, but in the diamond industry, it simply means produced through a process rather than by nature. The Federal Trade Commission (FTC) in the United States has clarified that lab grown diamonds can be marketed as “diamonds” without the synthetic qualifier.

In India, the BIS (Bureau of Indian Standards) and export documentation now distinguish clearly between natural and lab grown diamonds, with separate categories in customs and trade documentation.

Loose Lab Grown Diamond Price India: Why Buying Loose Makes Sense

Loose lab grown diamond price India is always lower than the same stone set in a ring or pendant. When you buy a loose diamond, you pay only for the stone. No metal. No labor. No retail markup on setting work.

Buying loose is the standard practice among B2B buyers, resellers, and savvy retail customers who want full price transparency. You can:

• Verify the IGI certificate against the actual stone before buying
• Choose your own setting separately, often at better value
• Compare the stone directly against other loose stones in hand
• Sell or reset the stone later without being tied to a specific mount

Mann Gems sells primarily loose lab grown diamonds and has one of the deepest loose stone inventories in Mumbai. Whether you need a single stone or a parcel of 50, we can fulfill at current wholesale prices.

Lab Grown Diamond Wholesale Price India: What B2B Buyers Need to Know

Lab grown diamond wholesale price India is significantly lower than retail pricing. Wholesale typically applies to:

• Resellers purchasing single stones for retail
• Manufacturers buying melee and smaller stones in bulk
• Exporters sourcing IGI certified goods for international markets
• Chains and multi-location retailers buying standardized parcels

The wholesale discount over retail can range from 20% to 40% depending on volume, regularity of purchase, and relationship with the supplier.

For resellers: Mann Gems works with independent jewelers and retailers across Mumbai, Maharashtra, and across India. If you are a registered business looking for lab grown diamond wholesale price India, reach out with your requirement. We will share current stock lists with prices by return.

Common wholesale formats:

• Melee parcels: 1 to 10 pointer stones (0.01 ct to 0.10 ct) sold by the carat in mixed or matched lots
• Layout sets: matched stones for tennis bracelets, eternity bands, and necklaces
• Single certified stones: individual IGI certified stones from 0.30 ct and above
• Bulk parcels: larger quantities in a specific grade window (e.g., 200 pieces of G-H, VS2-SI1, 0.50 ct round)

Lab Grown Diamond Price Trends 2026 India: Where Prices Are Headed

Lab grown diamond price trends 2026 India show a market that has largely stabilized after two years of significant price correction.

Key trends right now:

1. Price floor has been reached in most categories. The dramatic 40 to 60% price drops of 2023 to 2024 are not continuing at that pace. Prices have stabilized in most carat and quality categories.
2. Top-color, top-clarity stones retain value better. D-E color, IF-VVS1 stones have held their premium over lower grades more consistently than the mid-quality tiers.
3. Large stones (3 ct and above) see stronger demand. As more buyers understand the value proposition, the appetite for larger lab grown diamonds has grown. 3 to 5 carat stones that would have cost ₹20 to ₹40 lakh in natural are now accessible at ₹4 to ₹10 lakh in lab grown.
4. Fancy shapes are gaining ground. Oval, cushion, and elongated cushion cuts are particularly popular right now, especially in engagement ring contexts.
5. IGI certification is increasingly non-negotiable. Buyers in 2026 are more educated. Uncertified stones face a larger price discount than they did even two years ago because buyers simply will not pay premium prices without a third-party certificate.

Lab Grown Diamond Engagement Ring Price India: Full Cost Picture

When people search for lab grown diamond engagement ring price India, they usually want to know the all-in cost including the setting.

Here is a realistic breakdown:

Budget tier (under ₹1,00,000 total)

• 0.50 to 0.70 ct lab grown diamond: ₹15,000 to ₹30,000
• Simple 18K white gold or yellow gold solitaire setting: ₹18,000 to ₹35,000
• Total approximate: ₹35,000 to ₹65,000

Mid-range (₹1,00,000 to ₹2,50,000 total)

• 1.00 carat lab grown diamond (F-G, VS1-VS2, Excellent): ₹60,000 to ₹80,000
• 18K gold halo or pavé setting: ₹25,000 to ₹50,000
• IGI certification: included with stone
• Total approximate: ₹85,000 to ₹1,30,000

Premium tier (₹2,50,000 to ₹5,00,000 total)

• 1.50 to 2.00 carat lab grown diamond (D-E, VVS1-VVS2, Triple Excellent): ₹1,20,000 to ₹2,00,000
• 18K or 22K gold custom setting with side stones: ₹40,000 to ₹80,000
• Total approximate: ₹1,60,000 to ₹2,80,000

Luxury tier (above ₹5,00,000)

• 2.50 to 4.00 carat lab grown diamond, D-E-F color, IF to VVS1
• Platinum or high-karat gold setting, full custom
• Total can range from ₹4,00,000 to ₹10,00,000

These numbers are illustrative. Actual prices depend on the specific stone you choose, the setting design, and where you buy. For accurate pricing, contact us directly. We help buyers structure the full ring cost within their budget.

Cheap Lab Grown Diamonds India: What to Watch Out For

Searches for cheap lab grown diamonds India are common, and the desire to save money is completely understandable. But there are a few things worth knowing before you go for the lowest price you can find.

Uncertified stones: These are almost always cheaper. They are also riskier. Without an IGI certificate, you cannot independently verify the color, clarity, or carat weight. A seller claiming a stone is F color with VVS2 clarity on an uncertified stone is simply asking you to trust them.

Enhanced stones: Some lower-priced lab grown diamonds are fracture-filled or laser-drilled to improve apparent clarity. These stones are not ideal and should be disclosed clearly. If a price seems unusually low for a claimed quality, ask specifically whether the stone has been treated.

Non-round shapes at low prices: A cheap emerald cut or pear shape lab grown diamond may be cheap because it has visible inclusions under the table, or because the cut proportions are poor and the stone looks dull.

The right way to buy cheaply: Buy at wholesale or near-wholesale prices from a direct trade supplier, with full IGI certification. This is where Mann Gems positions itself. Not the cheapest possible stone, but the best value for a certified, quality stone at trade pricing.

Buy Lab Grown Diamonds India: Mann Gems Pricing Commitment

Here is how Mann Gems operates:

Direct sourcing: We source stones directly from HPHT and CVD manufacturers, both domestic and international. There is no additional distribution layer between the manufacturer and you.

Current stock, current prices: Prices change weekly based on market conditions. We do not hold to outdated price lists. What you see is what the market is doing right now.

Full certification: Every stone above 0.30 ct comes with IGI certification. Certificate numbers are shared before purchase so you can verify independently.

No hidden charges: The price we quote is the price you pay. No surprise handling fees, no certification surcharges added at the last moment.

Mumbai advantage: Operating from Mumbai’s diamond trading network means we have access to the broadest range of lab grown diamonds in India. Round, fancy shapes, melee, large stones, specific color and clarity windows. If we do not have it in stock, we can typically source it within 24 to 48 hours.

To get current prices, send your requirement on WhatsApp: stone shape, carat weight, color, clarity, and quantity. We will respond with available options and prices.

Lab Grown Diamond Price FAQs: Quick Answers

Are lab grown diamonds cheaper in India compared to international markets?

India is one of the most competitive markets for lab grown diamond prices globally. Because a large portion of lab grown diamond manufacturing and processing happens in India (especially Surat), domestic buyers benefit from very short supply chains.

What is the difference between HPHT and CVD lab grown diamonds in price?

At equivalent quality grades, HPHT and CVD diamonds are priced similarly in the current market. HPHT diamonds sometimes show slightly different growth patterns visible under specialist equipment, but this does not significantly affect pricing at the retail or B2B level.

Does lab grown diamond color affect price as much as in natural diamonds?

Yes, though the spread is somewhat compressed. Moving from G color to D color in a natural 1 carat diamond might double the price. In lab grown, the same move from G to D typically adds 40 to 70% to the price.

Can I resell a lab grown diamond?

You can, but you should not expect to recover close to the purchase price. The resale market for lab grown diamonds in India is still developing, and prices have been falling over the past few years. Buy lab grown diamonds for wear and enjoyment, not as a store of value.

Is IGI the best certification for lab grown diamonds in India?

IGI is the most widely recognized and accepted certification for lab grown diamonds in the Indian market. It is the standard that B2B buyers, retailers, and consumers rely on. GIA also certifies lab grown diamonds, but IGI reports are more common and equally trusted in the trade.

What is the minimum order for wholesale pricing at Mann Gems?

We work with buyers at various volume levels. Reach out with your requirement and we will discuss the right pricing structure for your purchase size.

Summary: Lab Grown Diamond Price Guide India 2026

Budget: H-I color, SI1-VS2, Very Good cut, IGI certified Mid: F-G color, VS1-VS2, Excellent cut, IGI certified Premium: D-E color, VVS1-IF, Triple Excellent cut, IGI certified