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Customizable Engagement Rings

At Promise by Effy, we believe lasting love is something that should be celebrated, always. We are proud to introduce a curated selection of lab created engagement rings to honor the strength, promise and joy we all find in our most important connections.

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Have Questions?

From crush to commitment and everything that follows, we're here for you. Give us a call at 212-PROMISE during the below hours.

9:30AM - 5PM Monday - Thursday EDT
9:30AM - 2:30PM Friday EDT

You can also email us at hello@promisebyeffy.com.

Schedule a Virtual Appointment

LAB DIAMONDS 101

From their chemical composition to their intense sparkle and scintillation, lab grown diamonds are 100% real diamonds, just with a different origin story.

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ENGAGEMENT RINGS

At Promise by Effy, we think “forever” has a nice ring to it, so we’ve created a curated collection of lab grown diamond engagement rings to celebrate your enduring love, carefully crafted to last a lifetime. From their chemical composition to their intense sparkle and scintillation, our affordable lab grown diamond engagement rings are 100% real, just with a different origin story. Let us help you design the lab grown engagement ring of your dreams. Customize to your heart’s content, from selecting the center stone to embellishing the band and more. Held to the highest industry standards, every Promise by Effy lab-created diamond engagement ring is obsessively handcrafted and certified by the diamond 4Cs: cut, color, clarity and carat, ensuring exceptional quality and enduring beauty. As with their mined counterparts, Promise by Effy’s lab grown diamonds are 100% unique and as individual as the wearer.

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