Lab-Grown Diamond Jewellery in India

Real Diamonds. Real Gold.

Make every occasion shine with lab grown diamond jewellery, in real diamonds and real gold. Made for real women.

Certified. Hallmarked. Yours.

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IGI/SGL Certified

BIS Hallmarked

Free & Safe Delivery

100% Buyback

Exchange Anytime

🎀 COSMOS KIDS

Tiny Treasures, Endless Joy

Designed for tiny dreams.

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Express

Bunny

₹ 24,448

Express

Penguin

₹ 30,815

Starburst

₹ 9,153

Express

Luna Mini

₹ 14,592

Express

Hummingbird

₹ 19,858

Express

Pineapple

₹ 16,347

Express

Thunder

₹ 8,505

Express

Unicorn

₹ 16,276

BORN BEYOND EARTH

Cosmic Bloom Collection

A celestial bloom, shaped by the wonder of space.

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Express

Eternal Lotus Bloom

₹ 58,534

Express

Divine Bloom

₹ 316,533

Express

Lotus Lueur

₹ 85,707

Express

Varunya

₹ 86,445

Express

Aabha

₹ 175,535

Express

Komala

₹ 58,607

Express

Kaluva

₹ 137,652

Express

Cascade Bloom

₹ 227,651

What Makes a Diamond Lab Grown?

Grown from the same carbon, under the same heat and pressure, just without the million-year wait. Chemically and optically identical to mined diamonds, IGI-certified so you don't have to take our word for it.

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Our Story

Crafted by Innovation. Guided by Purpose.

Cosmos began with a problem. Diamond pricing and sourcing were not clear, so we created lab-grown diamond jewellery with nothing hidden in the fine print.

25K+

Diamonds grown

10K+

Carats sold

500+

Tons of carbon saved

Read our story →

IGI-certified diamonds

Every diamond is certified by the International Gemological Institute. Verify it yourself.

BIS certified gold

All our gold is BIS hallmarked. You get exactly what you pay for.

100% buyback

Your jewellery always holds its value. We buy it back at full price

CERTIFIED & FEATURED

Trusted names behind every piece

The Way to Your Perfect Piece

From our workshop to your doorstep. Simple, secure and stress-free.

1

Find Your Perfect Piece

Browse by category, occasion or budget. Every diamond is IGI certified and made to last for years.

2

Straight to Your Door

Complimentary insured shipping across India, with fast dispatch and real-time tracking.

3

Love It at Home

Try your jewellery in the comfort of your home. If it's not the one, enjoy easy returns, a 7-day trial, and a 100% buyback promise.

Find a Storenear you

Visit us to explore the collection, get personalised styling and try on your favourites. Find your nearest Cosmos store today.

Find Nearest Store

Cosmos Bangalore

HSR Layout

AJ Forte, 2343, 17th Cross Rd, near Gayatri Temple, Vanganahalli, 1st Sector, HSR Layout, Bengaluru, Karnataka 560102

Call: +91 73718 18737

Call Store Get Directions

Cosmos Vijayawada

Governor Peta

Ground Floor, Lakshmi Ram Plaza, Museum Rd, beside DBS Bank, Governor Peta, Vijayawada, Andhra Pradesh 520002

Call: +91 96865 12333

Call Store Get Directions

Cosmos Hyderabad

Coming soon!

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Home6 questions

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Is lab-grown diamond jewellery a real diamond?

Lab-grown diamonds are chemically and physically the same as mined diamonds. Cosmos diamonds are IGI-certified.

Is it safe to buy lab-grown diamonds online in India?

With Cosmos, yes. Every piece ships with IGI certification and BIS hallmarked gold, so you can verify what you're getting. Add insured delivery and a 7-day home trial, and there's nothing to lose by trying it at home first.

What happens if I don't like the piece once it arrives?

You get 7 days to try it on at home. If it's not right, return it. Cosmos also offers a lifetime exchange with no questions asked, so you're never stuck with a piece that doesn't feel like you.

Do lab-grown diamonds hold their value?

Cosmos backs every purchase with a 100% buyback promise, so your jewellery keeps its value even years down the line.

Is the gold in Cosmos jewellery real?

Yes. Every piece is set in BIS hallmarked gold, so you get exactly what you pay for.

How is Cosmos different from other lab-grown diamond brands in India?

Cosmos specialises in lab-grown diamond jewellery and gold, with transparent pricing, certification, and lifetime exchange and buyback. Try our pieces in Bengaluru or Vijayawada.

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Everything about lab-grown diamonds.

Lab-Grown Diamond Jewellery in India

Tiny Treasures, Endless Joy

Cosmic Bloom Collection

Trusted names behind every piece

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