Lab Grown Diamonds: The Future of Brilliance

When you purchase a lab grown diamond from Promise by Effy, you are getting the highest quality stones, carefully handcrafted by master artisans and priced perfectly. We leverage 45 years of expertise and industry connections to bring you the brightest lab diamonds, selected from the best possible sources, all fully certified and backed by a limited lifetime warranty.

Lab Grown Diamonds: The Future of Brilliance

When you purchase a lab grown diamond from Promise by Effy, you are getting the highest quality stones, carefully handcrafted by master artisans and priced perfectly. We leverage 45 years of expertise and industry connections to bring you the brightest lab diamonds, selected from the best possible sources, all fully certified and backed by a limited lifetime warranty.

Lab Grown Diamond Engagement Rings

You’ve found your perfect person, now find the perfect ring. Introducing our new collection of lab grown engagement rings, featuring 31 scintillating new designs for every style and budget. Masterfully crafted, ethically sourced, rich in love.

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Lab Grown Diamond Rings

We've put together a beautiful edit of rings to mark your most important moments, big or small, that are destined to become the ultimate modern heirloom.

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Lab Grown Diamond Earrings

If you’re searching for a bold statement earring or want to create a delicate and refined earscape, our curated collection of handcrafted earrings offers something for every look and every occasion.

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Lab Grown Diamond Bracelets

It’s all in the wrist. Whether you like your look sleek and uncomplicated, or prefer to have all eyes on your significant statement bracelet, we have just the piece you’ve been searching for.

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Lab Grown Diamond Necklaces

From a simple diamond pendant you’ll reach for every day to bold diamond pavé link chains, we have everything you need to master the art of layering.

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