Engagement Rings

Diamonds set in White Gold Round Trellis Solitaire (Main View)

Shown with 2ct in 18k White Gold

Diamonds Round Trellis Solitaire in White Gold (Side View)

Shown with 2ct in 18k White Gold

platinum 2 ct round manmade diamond trellis solitaire engagement ring platinum ada diamonds design ad 069 macro

Shown with 2ct in Platinum

platinum 2 ct lab diamond round trellis solitaire engagement ring ada diamonds design ad 069 macro view

Shown with 2.25ct in Platinum

1.75 Carat Lab Created Diamonds set in Platinum Round Trellis Solitaire (Main View)

Shown with 1.75ct in Platinum

Platinum 2.5 Carat Petite Trellis Classic Solitaire Engagement Ring with Lab Diamond Ada Diamonds Design AD-069 Artistic Image in Box

Shown with 2.5ct in Platinum

Shown with 1ct in Platinum

Platinum One Carat Round Lab Diamond Solitaire with Two Row Bezel Wedding Band Ada Diamonds Design AD-069 and AD-232 Artistic

Shown with 1ct in Platinum

Platinum Round Trellis Solitaire featuring Exceptional Quality 2.5 Carat Diamonds (Main View)

Shown with 2.5ct in Platinum

1ct round lab diamond in trellis solitaire

Shown with 1ct in Platinum

1.25ct round lab diamond in trellis solitaire

Shown with 1.25ct in Platinum

Exceptional Quality 1.5 Carat Lab Grown Diamonds set in Platinum Round Trellis Solitaire (Main View)

Shown with 1.5ct in Platinum

1.75 ct Lab Diamonds set in Platinum Round Trellis Solitaire Diamond Engagement Ring (Main View)

Shown with 1.75ct in Platinum

High Quality 1.75 Carat Diamonds set in Platinum Round Trellis Solitaire (Main View)

Shown with 1.75ct in Platinum

Platinum Round Trellis Solitaire featuring Hand Selected 2.0 ct Lab Diamonds (Main View)

Shown with 2ct in Platinum

2.0 ctw Lab Diamonds set in Platinum Round Trellis Solitaire Diamond Engagement Ring (Main View)

Shown with 2ct in Platinum

2.25ct round lab diamond in trellis solitaire

Shown with 2.25ct in Platinum

Platinum Round Trellis Solitaire Diamond Engagement Ring featuring High Quality 2.5 Carat Lab Diamonds (Main View)

Shown with 2.5ct in Platinum

2.75 ct Diamonds set in Platinum Round Trellis Solitaire (Main View)

Shown with 2.75ct in Platinum

Shown with 2.5ct in Platinum

Platinum Lab Created Diamond Wedding Set with 2ct Round Solitaire and French U Eternity Band Ada Diamonds Design AD-164 and AD-069 on Model

Shown with 2.5ct in Platinum

Shown with 1.75ct in Platinum

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Solitaires

Round Trellis Solitaire

Starting at $1,350 (Setting Only)

Ada's most popular solitaire, this setting features petite prongs and a trellis basket. Customize your lab diamond solitaire engagement ring with band widths of 1.8-2.5mm.

Solitaires

Starting at $1,350 (Setting Only)

Ada's most popular solitaire, this setting features petite prongs and a trellis basket. 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.