Engagement Rings

Lab Diamonds set in White Gold Emerald Three Stone Setting (Main View)

Shown with 2ct in 18k White Gold

White Gold Emerald Three Stone Setting featuring Diamonds (Side View)

Shown with 2ct in 18k White Gold

Exceptional Quality 1.75 ct Lab Diamonds set in Emerald Three Stone Setting (Main View)

Shown with 1.75ct in Platinum

emerald three stone lab diamond engagement ring

Shown with 3ct in Platinum

High Quality 3.0 ct Diamonds set in Platinum Emerald Three Stone Setting (Side View)

Shown with 3ct in Platinum

2.25 ctw Lab Diamonds set in 14k Yellow Gold Emerald Three Stone Diamond Engagement Ring (Main View)

Shown with 2.25ct in 14k Yellow Gold

2.0 Carat Lab Diamonds Emerald Three Stone Diamond Engagement Ring in Rose Gold (Main View)

Shown with 1.25ct in 14k Rose Gold

Shown with 1.25ct in 14k Yellow Gold

Platinum 2.25 carat emerald three stone lab diamond engagement ring with emerald side stones ada diamonds design ad-114

Shown with 2.25ct in Platinum

Platinum & Yellow Gold Emerald Three Stone Diamond Engagement Ring featuring 3.0 ctw Diamonds (Main View)

Shown with 3ct in Platinum & 14k Yellow Gold

Yellow Gold Emerald Three Stone Setting featuring 2.25 Carat Lab Diamonds (Main View)

Shown with 2.25ct in 14k Yellow Gold

Shown with 1.25ct in 14k Yellow Gold

Platinum Emerald Three Stone Setting featuring 1.75 ctw Lab Diamonds (Main View)

Shown with 1.75ct in Platinum

1.25ct emerald cut lab diamond in a three stone setting in yellow gold

Shown with 1.25ct in 14k Yellow Gold

1.5ct emerald cut in yellow gold three stone

Shown with 2ct in Yellow Gold

platinum emerald cut lab diamond three stone engagement ring

Shown with 1.75ct in Platinum

Shown with 2ct in Platinum

Shown with 2.25ct in Platinum

3.5 carat lab grown emerald diamond three stone ring in two tone yellow gold and platinum ada diamonds design ad 114

Shown with 3ct in Platinum & 14k Yellow Gold

3.25ct lab grown emerald diamond three stone ring

Shown with 3ct in Platinum

Yellow Gold Emerald Three Stone Diamond Engagement Ring featuring Exceptional Quality 3.25 ctw Diamonds (Main View)

Shown with 3.25ct in 14k Yellow Gold

Emerald Setting Lab Created Diamond Wedding Ring On Model AD114

1.75 Carat Lab Diamonds Emerald Three Stone Setting in Yellow Gold (Main View)

Shown with 1.25ct in 14k Yellow Gold

3.0 ctw Lab Grown Diamonds Emerald Three Stone Setting in Platinum (Main View)

Shown with 3ct in Platinum

Shown with 1.75ct in Platinum

Shown with 1.25ct in 14k Rose Gold

1 / 29

Three Stones

Emerald Three Stone Setting

Starting at $2,650 (Setting Only)

A romantic and elegant three stone engagement ring style, this setting features a matched pair of emerald cut lab grown diamond side stones. Available in trellis or basket style.

Three Stones

Starting at $2,650 (Setting Only)

A romantic and elegant three stone engagement ring style, this setting features a matched pair of emerald cut lab grown diamond 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.