Engagement Rings

White Gold Round Petite Four Prong Solitaire featuring Diamonds (Main View)

Shown with 2ct in 18k White Gold

Diamonds set in White Gold Round Petite Four Prong Solitaire Diamond Engagement Ring (Side View)

Shown with 2ct in 18k White Gold

Platinum Round Petite Four Prong Solitaire featuring 3.0 Carat Diamonds (Main View)

Shown with 3ct in Platinum

Shown with 4.25ct in Platinum

platinum round petite lab diamond solitaire engagement ring with french u eternity band ada diamonds design ad 164 and ad 066

Shown with 3.75ct in Platinum

2.5 Carat Round Four Prong Solitaire Engagement Ring in Yellow Gold Made with Lab Diamonds Ada Diamonds Design Number AD-066 on Hand

Shown with 2.5ct in Platinum

Platinum Round Petite Four Prong Solitaire featuring 3.0 ct Diamonds (Main View)

Shown with 3ct in Platinum

Platinum 3.25 Carat Round Lab Created Diamond Solitaire Engagement Ring Ada Diamonds Design AD066 Floral Background

Shown with 3.25ct in Platinum

platinum 3.5 ct lab grown diamond petite four prong solitaire engagement ring ada diamonds design ad 066 on model

Shown with 3.5ct in Platinum

Shown with 4.5ct in 18k White Gold

platinum petite four prong solitaire lab diamond engagement ring with x wedding band ada diamonds design ad 066 and ad217

Shown with 2.25ct in 18k White Gold

platinum lab diamond wedding set with petite solitaire and round seven stone band ada diamonds design ad 066 and ad 240

Shown with 2ct in Platinum

Shown with 1.5ct in 18k White Gold

Shown with 3ct in Platinum

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Solitaires

Round Petite Four Prong Solitaire

Starting at $1,250 (Setting Only)

Romantic and delicate, this setting features petite prongs and a gallery wire for maximum light exposure. Customize your lab diamond solitaire engagement ring with band widths of 1.8-2.5mm.

Solitaires

Starting at $1,250 (Setting Only)

Romantic and delicate, this setting features petite prongs and a gallery wire for maximum light exposure. Customize your lab diamond solitaire engagement ring with band widths of 1.8-2.5mm.

Selection Options

Ships in 2-3 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.