The way Chennai shops for diamonds is changing. In 2025, lab-grown diamonds are no longer seen as “alternatives” they are becoming the preferred choice for modern buyers who want brilliance, transparency, and value without compromise.
From engagement rings and bridal sets to everyday diamond jewelry, lab-grown diamond jewelry in Chennai is now widely available across premium boutiques and heritage showrooms. These diamonds are chemically, physically, and optically identical to mined diamonds but come at a more accessible price point and align with sustainability-driven values.
If you’re searching for the best lab grown diamonds in Chennai, this detailed guide breaks down the Top 5 Lab-Grown Diamond Jewelry Stores in Chennai (2025), helping you choose the right store based on quality, design, trust, and long-term value.
Why Lab-Grown Diamonds Are Gaining Popularity in Chennai
Chennai has always been a city that balances tradition with progress and lab-grown diamonds reflect exactly that shift.
What Are Lab-Grown Diamonds?
Lab-grown diamonds are created in controlled laboratory environments using advanced technology that replicates the natural diamond formation process. The result is a real diamond, not a simulant.
They match mined diamonds in:
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Hardness (10 on the Mohs scale)
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Brilliance and fire
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Crystal structure
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Chemical composition (pure carbon)
Why Chennai Buyers Prefer Lab-Grown Diamonds
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30–60% more affordable than natural diamonds
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Ethically sourced, conflict-free
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Environmentally conscious choice
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Larger carat sizes possible within the same budget
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Ideal for modern bridal and designer jewelry
This combination has made lab grown diamonds Chennai one of the fastest-growing jewelry segments in 2025.
How We Selected the Top 5 Lab-Grown Diamond Jewelry Stores in Chennai
To create this list, we evaluated each brand based on:
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Availability of certified lab-grown diamonds
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Jewelry design quality and variety
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Transparency in pricing and certification
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Brand trust and showroom presence in Chennai
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Bridal, engagement, and customization expertise
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Customer buying experience (online & offline)
Top 5 Lab-Grown Diamond Jewelry Stores in Chennai (2025)
1. Diahart Diamonds – Best Lab-Grown Diamond Jewelry Stores in Chennai
When it comes to pure lab-grown diamond specialization, Diahart Diamonds stands out as one of the most focused and future-ready brands in Chennai.
Unlike traditional jewellers who treat lab-grown diamonds as an add-on, Diahart is built around lab-grown diamonds making it a top destination for buyers seeking clarity, variety, and modern designs.
Why Diahart Diamonds Leads the Market
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Dedicated lab-grown diamond collections
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Clear online catalog with transparent pricing
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Contemporary designs for everyday and bridal wear
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Strong focus on certification and diamond education
Lab-Grown Diamond Collections at Diahart
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Solitaire engagement rings
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Designer diamond earrings
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Minimalist necklaces
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Bridal lab-grown diamond sets
Each piece is crafted to suit modern Chennai buyers who want best lab grown diamonds without paying mined-diamond premiums.
Ideal For
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First-time diamond buyers
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Engagement ring shoppers
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Buyers looking for certified lab grown diamonds Chennai
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Customers who prefer modern, lightweight designs
2. Viswa & Devji Diamonds – Designer Excellence with Modern Diamond Choices
Viswa & Devji Diamonds is a well-known name among Chennai’s premium jewelry buyers. Known for its refined craftsmanship and designer collections, the brand has seamlessly adapted to changing preferences by offering lab-grown diamond jewelry options.
What Sets Viswa & Devji Apart
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Strong design-first approach
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Elegant bridal and engagement collections
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Customization expertise
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Premium showroom experience
Lab-Grown Diamonds at Viswa & Devji
While not exclusively lab-grown, the brand offers:
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Custom lab-grown diamond solitaires
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Designer rings and earrings
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Bridal sets with lab-grown centers
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Made-to-order diamond jewelry
This makes Viswa & Devji ideal for buyers who want luxury aesthetics combined with lab-grown diamond value.
Ideal For
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Brides and grooms
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Custom jewelry buyers
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Customers seeking premium design with ethical diamonds
3. Raj Diamonds – Trusted Local Choice for Lab-Grown Diamonds in Chennai
Raj Diamonds is a familiar name in Chennai’s traditional jewelry circles, especially among buyers who value trust, accessibility, and personal service.
As lab-grown diamonds gain popularity, Raj Diamonds has expanded its offerings to include certified lab-grown diamond jewelry, creating an excellent entry point for conservative buyers exploring this category.
Why Raj Diamonds Works for Chennai Buyers
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Strong local presence
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Budget-friendly diamond options
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Personal showroom guidance
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Mix of traditional and modern designs
Lab-Grown Diamond Jewelry Range
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Everyday diamond rings
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Stud earrings
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Lightweight pendants
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Simple bridal diamond sets
Raj Diamonds is ideal if you want to see, compare, and understand lab-grown diamonds in person before making a purchase.
Ideal For
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First-time lab-grown diamond buyers
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Budget-conscious shoppers
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Customers who prefer face-to-face buying
4. TB Jewellery – Heritage Jewelry Meets Lab-Grown Innovation
TB Jewellery is deeply rooted in Chennai’s jewelry history, especially in the T. Nagar shopping district. Known for gold craftsmanship and bridal jewelry, the brand has gradually incorporated lab-grown diamond jewelry in Chennai for modern customers.
Why TB Jewellery Is Still Relevant in 2025
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Long-standing trust
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Strong bridal and gold jewelry expertise
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In-store customization
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Willingness to source lab-grown diamonds on request
Lab-Grown Diamond Offerings
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Bridal diamond jewelry with lab-grown stones
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Traditional gold-diamond combinations
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Custom engagement rings
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Temple-inspired designs with modern diamonds
TB Jewellery is perfect for buyers who want traditional South Indian aesthetics but prefer lab-grown diamonds for value and ethics.
Ideal For
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Bridal shoppers
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Traditional design lovers
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Buyers loyal to legacy jewelry brands
5. Mehta Jewellery – Designer Gold & Diamond Bridal Jewelry
Mehta Jewellery is synonymous with luxury bridal jewelry and refined craftsmanship in Chennai. With a strong focus on premium gold and diamond creations, the brand also offers lab-grown diamond options for discerning customers.
Why Mehta Jewellery Appeals to High-End Buyers
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Designer bridal collections
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Strong emphasis on craftsmanship
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Personalized consultations
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Premium showroom experience
Lab-Grown Diamonds at Mehta Jewellery
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High-carat lab-grown solitaires
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Bridal diamond necklaces
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Statement rings and bangles
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Custom luxury diamond jewelry
For buyers who want designer-level detailing without mined-diamond pricing, Mehta Jewellery provides an excellent balance.
Ideal For
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Luxury bridal buyers
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High-budget engagement rings
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Customers seeking statement jewelry
Price Guide Lab-Grown Diamond Jewelry in Chennai (2025)
Approximate pricing (varies by cut, clarity & design):
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0.50 ct lab-grown diamond: ₹35,000 – ₹55,000
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1.00 ct lab-grown diamond: ₹70,000 – ₹1,20,000
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Engagement rings: ₹60,000 – ₹2,50,000
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Bridal diamond sets: ₹2,00,000 – ₹6,00,000+
Compared to natural diamonds, buyers typically save 40–60%.
How to Choose the Best Lab-Grown Diamond Jewelry Store in Chennai
Before buying, always ask:
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Is the diamond clearly labeled as lab-grown?
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Does it come with IGI or equivalent certification?
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Are pricing and buyback policies transparent?
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Is customization available?
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What after-sales services are offered?
Choosing the right store matters as much as choosing the right diamond.
Common Myths About Lab-Grown Diamonds
“Lab-grown diamonds are fake”
False. They are real diamonds.
“They don’t last long”
False. Lab-grown diamonds have the same durability as mined diamonds.
“They have no resale value”
While resale dynamics differ, lab-grown diamonds offer better upfront value, which matters most for most buyers.
Final Thoughts: Finding the Right Lab-Grown Diamond Jewelry Store in Chennai
In 2025, Chennai offers excellent choices for lab-grown diamond jewelry from specialists like Diahart Diamonds to legacy brands like TB Jewellery and Mehta Jewellery.
If your priority is:
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Best lab grown diamonds & modern designs → Diahart Diamonds
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Designer elegance & bridal luxury → Viswa & Devji / Mehta Jewellery
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Local trust & affordability → Raj Diamonds
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Traditional craftsmanship with modern value → TB Jewellery
No matter which store you choose, lab-grown diamonds allow you to buy smarter, shine brighter, and stay future-focused.
FAQs – Lab-Grown Diamond Jewelry in Chennai
Are lab-grown diamonds cheaper in Chennai?
Yes, they are significantly more affordable than mined diamonds.
Can I customize lab-grown diamond jewelry in Chennai?
Most listed stores offer customization options.
Which certification is best for lab-grown diamonds?
IGI certification is widely accepted in India.
Are lab-grown diamonds suitable for bridal jewelry?
Absolutely. They are durable, brilliant, and cost-effective.
Where can I buy certified lab-grown diamonds in Chennai?
Diahart Diamonds, Viswa & Devji Diamonds, Raj Diamonds, TB Jewellery, and Mehta Jewellery are among the top choices.