Ready to Ship 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

When it comes to wearing rings, we believe that more is always better. And if you want a ring for every finger, we say why not? Mix and match our handcrafted 14k gold and diamond Promise by Effy bands to make your own striking ring stack or style them on individual fingers to make a personal statement. From delicate diamond pave bands and sparkling bypass rings that hug the finger, to bold gold signet rings and maximum impact statement cocktail rings in 14k yellow gold, rose gold or white gold, we’ve got the fine jewelry ring designs to match every style. Perfectly crafted to be both beautiful and durable, our extensive collection of gold and diamond rings was designed to become your go-to modern heirloom and enjoyed for a lifetime.