Engagement Rings

White Gold Oval and Round Diamond Engagement Ring featuring Hand Selected Diamonds (Main View)

Shown with 2ct in 18k White Gold

White Gold Oval and Round Diamond Engagement Ring featuring Hand Selected Man Made Diamonds (Side View)

Shown with 2ct in 18k White Gold

platinum oval and round setting with matching french u eternity band

Shown with 1.5ct in Platinum

oval and round setting in platinum featuring a trellis basket set with oval and round laboratory grown diamonds

Shown with 1.5ct in Platinum

2 ct oval and round three stone lab created diamond engagement ring yellow gold ada diamonds design ad 458 macro

Shown with 2ct in 18k Yellow Gold

Yellow Gold Oval and Round Setting featuring 1.5 ctw Lab Diamonds (Side View)

Shown with 1.5ct in 14k Yellow Gold

Exceptional Quality 1.5 Carat Diamonds set in 14 Karat Rose Gold Oval and Round Setting (Main View)

Shown with 1.5ct in 14k Rose Gold

Shown with 2ct in 18k Yellow Gold

custom 2ct oval lab grown diamond with round lab grown diamond side stones in 18k rose gold with matching nesting band

Shown with 1.5ct in 14k Rose Gold

Yellow Gold Oval and Round Diamond Engagement Ring featuring 2.25 Carat Lab Diamonds (Main View)

Shown with 2.25ct in 14k Yellow Gold

14k rose gold oval and round stone setting featuring a 1.25ct oval lab created diamond

Shown with 1.5ct in 14k Rose Gold

lab diamond three stone engagement ring round and oval

Shown with 1.5ct in 14k Yellow Gold

white gold oval and round engagement ring featuring 1.75ct oval lab grown diamond

Shown with 1.75ct in White Gold

yellow gold two carat oval and round three stone lab diamond ring ada diamonds design ad 458 on model

Shown with 2ct in 18k Yellow Gold

Yellow Gold Oval and Round Setting featuring 2.25 ct Lab Diamonds (Main View)

Shown with 2.25ct in 14k Yellow Gold

14k yellow gold 3 carat oval and round lab diamond three stone engagement ring ada diamonds design ad 458 on model

Shown with 3ct in 14k Yellow Gold

Shown with 2ct in 18k Yellow Gold

18k rose gold matching oval and round engagement ring and nesting wedding band set featuring lab grown diamonds

Shown with 1.5ct in 14k Rose Gold

Shown with 1.75ct in Platinum

Shown with 2ct in 18k Yellow Gold

Shown with 1.5ct in 14k Rose Gold

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Three Stones

Oval and Round Setting

Starting at $2,650 (Setting Only)

A brilliant classic, this three stone setting features a pair of round lab grown side stones. Available in trellis or basket style.

Three Stones

Starting at $2,650 (Setting Only)

A brilliant classic, this three stone setting features a pair of round lab grown side stones. Available in trellis or basket style.

Selection Options

Ships in 3-4 Weeks

The Ada Diamonds Difference

Personal Concierge

Your own jeweler to guide you from the first question to the finished piece.

Made to Order in NYC

Individually crafted in our New York Flagship.

Lifetime Trade-Ins

We believe in every diamond we choose, and we’ll take it back, forever.

30-Day Returns

Peace of mind, built in.

Personal Concierge

Your own jeweler to guide you from the first question to the finished piece.

Made to Order in NYC

Individually crafted in our New York Flagship.

Lifetime Trade-Ins

We believe in every diamond we choose, and we’ll take it back, forever.

30-Day Returns

Peace of mind, built in.

Reviews

“Ada Diamonds lives up to its reputation of only providing high quality lab grown diamonds. The diamond that I ended up choosing was perfect! The ring is also top-notched for the design and craftsmanship. My fiance and I could not be happier with the finished product!”

— Chanh P.

“Ada Diamonds turned a complicated purchase into the simplest process, and they are worth every penny. My aunt used to be in the jeweler business and this ring got her seal of approval for quality craftsmanship. Love it!”

— Erin V.

“Incredible experience working with Ada Diamonds. Fantastic client service, from the initial video consultation to the constant responsiveness. In addition to the service, the ring is absolutely beautiful. I can't recommend Ada enough.”

— Ian H.

“I couldn't be happier with my overall exceptional experience I had with Ada Diamonds. I really appreciate the quality craftsmanship of the ring itself, and the conflict-free, ethical diamonds.”

— Mark C.

“We had a fantastic experience with Ada! My Concierge was so helpful in finding the perfect engagement ring for us. I would absolutely recommend Ada to anyone!”

— Matt E.

“The ring was perfect. It looks just a great as anything you'd buy at Tiffany's with the piece of mind about its origins. I'd highly recommend Ada to anyone looking.”

— Josh R.

“I recently bought my fiancee's ring at Ada and it was an awesome experience. I highly recommend visiting Ada and checking out what they have to offer!”

— Colin J.

“Ada was friendly, respectful and so encouraging. I cannot speak highly enough to their customer experience, and most importantly, the quality of their diamonds and rings! Their warranty speaks for itself.”

— Taylor G.

“If you're looking for high quality lab grown diamonds, work with Ada, they will make sure you get what you want, you'll have full control over customization of your ring, and they only sell amazing diamonds!”

— Paul P.

“The ring came out absolutely stunning and was exactly what my fiancé wanted per the specs she had provided. I would highly highly recommend Ada diamonds to anybody.”

— Evan G.

“Ada Diamonds lives up to its reputation of only providing high quality lab grown diamonds. The diamond that I ended up choosing was perfect! The ring is also top-notched for the design and craftsmanship. My fiance and I could not be happier with the finished product!”

— Chanh P.