Engagement Rings

White Gold Princess Cathedral Pavé Setting featuring Diamonds (Main View)

Shown with 2ct in 18k White Gold

White Gold Princess Cathedral Pavé Setting featuring Exceptional Quality Lab Diamonds (Side View)

Shown with 2ct in 18k White Gold

3.0 ct Lab Grown Diamonds set in Platinum Princess Cathedral Pavé Diamond Engagement Ring (Main View)

Shown with 3ct in Platinum

Shown with 2.5ct in Platinum

Platinum 1.5 Carat Princess Cut Lab Diamond Cathedral Pavé Engagement Ring Ada Diamonds Design AD-344 in Box

Shown with 1.5ct in Platinum

Shown with 2ct in Platinum

1.75 Carat Diamonds set in White Gold Princess Cathedral Pavé Setting (Main View)

Shown with 1.75ct in 14k White Gold

3ct Princess Cut Lab Diamond Engagement Ring with Smaller Diamonds on the Band in Platinum Ada Diamonds Design AD-344 in Box

Shown with 3ct in Platinum

Shown with 2.5ct in Platinum

cathedral pave wtih 2ct lab created princess cut

Shown with 2ct in Platinum

Shown with 2.5ct in Platinum

2.5 carat princess cut lab grown diamond in cathedral pavé setting in platinum with u pavé wedding band ada diamonds design ad 344 and ad 171

Shown with 2.5ct in Platinum

Platinum 1.5ct Princess Lab Diamond Cathedral Pavé Engagement Ring Ada Diamonds Design AD-344 on Model

Shown with 2.25ct in Platinum

14k White Gold 1.75 Carat Princess Cut Lab Created Diamond Engagement Ring Ada Diamonds Design AD-344 on Hand

Shown with 2ct in 14k White Gold

2ct princess cut diamond in cathedral pave setting

Shown with 2ct in Platinum

White Gold 2.25ct Princess Lab Diamond Pavé Engagement Ring Ada Diamonds Design AD-344 on Model

Shown with 2.25ct in 18k White Gold

Platinum 2.5ct Princess Cut Lab Diamond Pavé Engagement Ring Ada Diamonds Design AD-344 on Model

Shown with 2.5ct in Platinum

White Gold 2.75ct Princess Cut Lab Diamond in Cathedral Pavé Setting Ada Diamonds Design AD-344 on Hand

Shown with 2.75ct in White Gold

Platinum 3ct Princess Lab Diamond Cathedral Pavé Engagement Ada Diamonds Design AD-344 on Model

Shown with 3ct in Platinum

platinum 2.5 carat princess cut cathedral pavé lab diamond engagement ring with wedding band ada diamonds design ad 344 and ad 171 on model

Shown with 2.5ct in Platinum

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Diamond Bands

Princess Cathedral Pavé Setting

Starting at $2,550 (Setting Only)

Simply beautiful, this setting features four petite prongs and cathedral shoulders. Customize your lab diamond engagement ring with diamond sizes of 1.6-2.5mm in 3/4, half, or eternity coverage.

Diamond Bands

Starting at $2,550 (Setting Only)

Simply beautiful, this setting features four petite prongs and cathedral shoulders. Customize your lab diamond engagement ring with diamond sizes of 1.6-2.5mm in 3/4, half, or eternity coverage.

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.