Engagement Rings

High Quality Diamonds set in White Gold Round Single Halo Setting (Main View)

Shown with 2ct in 18k White Gold

Lab Diamonds Round Single Halo Setting in White Gold (Main View)

Shown with 2ct in 18k White Gold

Lab Diamonds set in White Gold Round Single Halo Setting (Side View)

Shown with 2ct in 18k White Gold

18k White Gold Round Single Halo Diamond Engagement Ring 2.0ctw Side View - AD-073

Shown with 2ct in 18k White Gold

White Gold Round Single Halo Setting featuring High Quality Man Made Diamonds (Side View)

Shown with 2ct in 18k White Gold

Synthetic Diamonds Round Single Halo Setting in White Gold (Side View)

Shown with 2ct in 18k White Gold

Platinum 1.75ct Round Lab Diamond Ring with a Halo Ada Diamonds Design AD-073 in Box

Shown with 1.75ct in Platinum

platinum single halo engagement ring with 2.5ct round lab diamond ada diamonds design ad 073 macro

Shown with 2.5ct in Platinum

18k White Gold Round Halo Lab Diamond Engagement Ring Ada Diamonds Design AD-073 Artistic

Shown with 1.25ct in 18k White Gold

Platinum 1 Carat Round Lab Grown Diamond with Halo Engagement Ring Ada Diamonds Design AD-073 Macro

Shown with 1ct in 18k White Gold

White Gold Halo Engagement Ring with 1 Carat Round Lab Diamond Ada Diamonds Design AD-073 on Model

Shown with 1ct in 18k White Gold

Platinum 1.5 Carat Round Man Made Diamond Halo Engagement Ring Ada Diamonds Design AD-073 on Hand

Shown with 1.25ct in 18k White Gold

18k White Gold 2ct Round Lab Created Diamond Halo Engagement Ring Ada Diamonds Design AD-073 on Model

Shown with 1.75ct in 18k White Gold

1.5 Carat Lab Grown Diamonds set in Platinum Round Single Halo Setting (Main View)

Shown with 1.5ct in Platinum

platinum 2.5 ct round lab diamond single halo engagement ring ad diamonds design ad073 on model

Shown with 2.5ct in Platinum

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Halos

Round Single Halo Setting

Starting at $2,250 (Setting Only)

Simple yet beautiful, this setting features a single halo of lab diamonds. Customize your ring with band widths from 1.8-2.5mm.

Halos

Starting at $2,250 (Setting Only)

Simple yet beautiful, this setting features a single halo of lab diamonds. Customize your ring with band widths from 1.8-2.5mm.

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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Single Halo Split Shank Setting$3,150