The Largest Lab-Grown Diamond Store in India is Now Open!

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Diamonds, Done Differently!

At Cosmos, we make choosing diamonds effortless and ethical. Our lab-grown diamonds are the world’s purest, sustainable, and stunningly affordable. With designs that range from timeless to bold, and policies that are honest to the core, Cosmos is where your dreams meets values.

100% Certified

BIS gold, IGI & SGL diamonds

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Curated Experience, For you!

Free shipping!

It's Secured, & Insured :)

Assured Buyback

Lifetime Exchange & 100% Refund

Custom-made, just for you.

Customise your masterpiece

Share your vision, inspirations, or even a sketch & our designers bring it to life with care. From stone selection to final setting, every detail is tailored just for you.

Dream it

Wear it

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Grown Diamonds at 1/10th the price, But how?

Lab grown diamonds are 100% real as they have the same physical, chemical & optical structure as mined diamonds. They infact are impossible to detect even by a trained gemologist with their naked eye. The quality and authenticity is certified by reputed labs like IGI, GIA, SGL who certify mined diamonds.

Got Questions? Let’s Cut to the Clarity.

Check out some of the most common questions our customers asked.

Still have questions? 
Contact our customer support. We working Monday to Saturday from 9 AM to 9 PM.
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Home Trial & 7 day returns 🎉

Free Insured shipping across India 📦

Access 1000+ designs in-store & online

Home Trial & 7 day returns 🎉

Free Insured shipping across India 📦

Access 1000+ designs in-store & online