Engagement Rings

White Gold Cushion and Round Setting featuring Diamonds (Main View)

Shown with 2ct in 18k White Gold

Hand Selected Diamonds Cushion and Round Setting in White Gold (Main View)

Shown with 2ct in 18k White Gold

Lab Grown Diamonds Cushion and Round Setting in White Gold (Side View)

Shown with 2ct in 18k White Gold

Lab Grown Diamonds set in White Gold Cushion and Round Setting (Side View)

Shown with 2ct in 18k White Gold

custom three stone ring with lab grown cushion and round side stone diamonds

Shown with 2ct in 18k White Gold

1.5ct lab grown cushion cut lab diamond with round side stones

Shown with 2ct in 18k White Gold

Platinum Cushion and Round Diamond Engagement Ring featuring 1.5 Carat Diamonds (Main View)

Shown with 1.5ct in Platinum

2.5ct cushion cut and round lab diamond three stone ring

Shown with 2.5ct in 18k White Gold

Shown with 2.5ct in 18k White Gold

2.5 Carat Lab Diamonds set in White Gold Cushion and Round Setting (Main View)

Shown with 2.5ct in 18k White Gold

1.5ct lab grown cushion diamond with round side stones in 14k yellow gold ring

Shown with 2ct in 18k White Gold

1.5 Carat Lab Created Diamonds set in Platinum Cushion and Round Diamond Engagement Ring (Main View)

Shown with 1.5ct in Platinum

2.5ct cushion cut lab diamond in a three stone setting

Shown with 2.5ct in 18k White Gold

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Three Stones

Cushion 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.

Only the Finest Quality

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