Engagement Rings

White Gold Oval Six Prong Solitaire Diamond Engagement Ring featuring Lab Diamonds (Main View)

Shown with 2ct in 18k White Gold

Diamonds Oval Six Prong Solitaire Diamond Engagement Ring in White Gold (Side View)

Shown with 2ct in 18k White Gold

High Quality 2.75 ct Diamonds set in Platinum Oval Six Prong Solitaire Diamond Engagement Ring (Main View)

Shown with 2.75ct in Platinum

High Quality 2.0 Carat Man Made Diamonds Oval Six Prong Solitaire in Platinum (Main View)

Shown with 2ct in Platinum

Platinum Oval Six Prong Solitaire Diamond Engagement Ring featuring 2.0 Carat Lab Diamonds (Side View)

Shown with 2ct in Platinum

14k Yellow Gold 2 Carat Oval Six Prong Lab Created Diamond Solitaire Ada Diamonds Design AD-145 Macro

Shown with 2ct in 14k Yellow Gold

Platinum & Yellow Gold Oval Six Prong Solitaire featuring 2.25 Carat Diamonds (Main View)

Shown with 2.25ct in Platinum & 14k Yellow Gold

Shown with 2.25ct in Platinum & 18k Yellow Gold

yellow gold wedding set with oval six prong solitaire

Shown with 1.5ct in 14k Yellow Gold

1.5 Carat Diamonds set in 14 Karat Yellow Gold Oval Six Prong Solitaire (Main View)

Shown with 1.5ct in 14k Yellow Gold

1.75 Carat Lab Created Diamonds set in 14k Yellow Gold Oval Six Prong Solitaire (Main View)

Shown with 1.75ct in 14k Yellow Gold

High Quality 2.0 Carat Lab Grown Diamonds set in Platinum Oval Six Prong Solitaire Diamond Engagement Ring (Main View)

Shown with 2ct in Platinum

Custom 2.25 ct two tone platinum and 14k yellow gold oval six prong solitaire engagement with a lab grown diamond

Shown with 2.25ct in Platinum & 14k Yellow Gold

2.5 ct Diamonds set in Platinum & 18k Yellow Gold Oval Six Prong Solitaire (Main View)

Shown with 2.5ct in Platinum & 18k Yellow Gold

2.75ct oval lab diamond in six prong solitaire platinum

Shown with 2.75ct in Platinum

Shown with 2ct in 14k Yellow Gold

Shown with 2ct in Platinum

Shown with 2ct in 14k Yellow Gold

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Solitaires

Oval Six Prong Solitaire

Starting at $1,450 (Setting Only)

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

Solitaires

Starting at $1,450 (Setting Only)

Stunning and secure, this setting features petite prongs and a gallery wire for maximum security. 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.