Engagement Rings

High Quality Diamonds Emerald and Trillion Diamond Engagement Ring in White Gold (Main View)

Shown with 2ct in 18k White Gold

Exceptional Quality Diamonds set in White Gold Emerald and Trillion Diamond Engagement Ring (Side View)

Shown with 2ct in 18k White Gold

2.25ct emerald cut and trillion three stone engagement ring in platinum with nesting band ada diamonds design ad 466 and ad 258

Shown with 1.75ct in Platinum

platinum 3 stone engagement ring with 2.25ct emerald cut center stone and trillion side stones with nesting wedding band ada diamonds design ad 466 and ad 258

Shown with 1.75ct in Platinum

yellow gold emerald and trillion setting with GIA graded lab grown diamonds

Shown with 1.25ct in 14k Yellow Gold

yellow gold emerald and trillion setting with GIA graded 3ct emerald cut lab grown diamond

Shown with 1.25ct in Platinum

14 karat yellow gold three stone emerald and trillion ring with lab made diamonds

Shown with 2.75ct in 18k Yellow Gold

yellow gold emerald and trillion engagement ring featuring a one-of-a-kind 2ct emerald lab grown diamond and lab grown side stones

Shown with 2.75ct in 18k Yellow Gold

1.25 ctw Lab Diamonds Emerald and Trillion Setting in Yellow Gold ()

Shown with 1.25ct in 14k Yellow Gold

platinum emerald and trillion engagement ring featuring a one-of-a-kind 1.25ct emerald cut lab grown diamond and lab grown side stones

Shown with 1.25ct in 14k Yellow Gold

custom white gold emerald and trillion ring featuring a 1.5 ct emerald cut lab grown diamond and lab grown side stones

Shown with 1.25ct in Platinum

2.75ct emerald cut lab diamond with trillion side stones set in a platinum ring

Shown with 2.75ct in 18k Yellow Gold

Shown with 1.25ct in Platinum

Shown with 2.75ct in 18k Yellow Gold

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Three Stones

Emerald and Trillion Setting

Starting at $2,450 (Setting Only)

A dazzling basket style setting, featuring a pair of trillion (rounded edges) or triangular brilliant (straight edges) lab grown diamonds.

Three Stones

Starting at $2,450 (Setting Only)

A dazzling basket style setting, featuring a pair of trillion (rounded edges) or triangular brilliant (straight edges) lab grown diamonds.

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.

Only the Finest Quality

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custom rose gold emerald three stone setting featuring 3ct emerald cut lab grown diamond with emerald side stones

Emerald Three Stone Setting$2,650