Engagement Rings

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

Shown with 2ct in 18k White Gold

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

Shown with 2ct in 18k White Gold

High Quality 3.75 ct Lab Diamonds Emerald Petite Four Prong Solitaire in Platinum (Main View)

Shown with 3.75ct in Platinum

2.75 Carat Lab Diamonds set in Platinum Emerald Petite Four Prong Solitaire Diamond Engagement Ring (Main View)

Shown with 2.75ct in Platinum

Shown with 2ct in 14k Yellow Gold

Shown with 3ct in Platinum

14k Rose Gold Four Carat Emerald Cut Lab Created Diamond Solitaire Ada Diamonds Design AD-235

Shown with 4ct in 14k Rose Gold

14k Rose Gold 4 Carat Emerald Cut Lab Diamond Solitaire with 1.5 Carat Round Five Lab Diamond Half Eternity Band Ada Diamonds Design AD-235 and AD-247 Macro

Shown with 4ct in 14k Rose Gold

platinum 5 carat emerald cut lab diamond solitaire engagement ring ada diamonds design ad 235 macro

Shown with 5ct in Platinum

platinum 9 carat emerald cut lab grown diamond solitaire engagement ring ada diamonds design ad 235 macro

Shown with 9ct in Platinum

Shown with 5ct in Platinum

14 Karat Yellow Gold Emerald Petite Four Prong Solitaire featuring 4.0 ctw Lab Diamonds (Side View)

Shown with 4ct in 14k Yellow Gold

3.5 ctw Lab Diamonds set in Yellow Gold Emerald Petite Four Prong Solitaire (Side View)

Shown with 4ct in 14k Yellow Gold

Shown with 1ct in 14k Yellow Gold

18k rose gold emerald cut solitaire engagement ring

Shown with 3ct in 14k Rose Gold

lab created emerald cut diamond in yellow gold solitaire

Shown with 3ct in 14k Yellow Gold

Exceptional Quality 1.5 ctw Lab Diamonds set in Yellow Gold Emerald Petite Four Prong Solitaire (Main View)

Shown with 1.5ct in 14k Yellow Gold

Yellow Gold Emerald Petite Four Prong Solitaire Diamond Engagement Ring featuring 1.75 ct Lab Grown Diamonds (Main View)

Shown with 1.75ct in 14k Yellow Gold

14k Yellow Gold 2ct Emerald Cut Lab Diamond Solitaire Ada Diamonds Design Ad-235 on Model

Shown with 2ct in 14k Yellow Gold

Platinum 2ct Emerald Cut Lab Diamond Solitaire Ada Diamonds Design Ad-235 on Model

Shown with 2ct in Platinum

14k white and yellow gold 2.25ct emerald cut lab diamond solitaire engagement ring Ada Diamonds design ad-235 on model

Shown with 2.25ct in 14k Yellow Gold

Yellow Gold 2.5 Carat Emerald Cut Solitaire Engagement Ring On Hand Ada Diamonds Design Number 235 on Hand

Shown with 2.5ct in 14k Yellow Gold

2.75ct emerald cut lab diamond in solitaire

Shown with 2.75ct in Platinum & 14k Yellow Gold

Platinum Emerald Petite Four Prong Solitaire Diamond Engagement Ring featuring Exceptional Quality 3.0 Carat Diamonds (Main View)

Shown with 3ct in Platinum

3.5 ct Man Made Diamonds set in 18kt White Gold Emerald Petite Four Prong Solitaire Diamond Engagement Ring (Main View)

Shown with 3.5ct in 18k White Gold

Platinum Emerald Petite Four Prong Solitaire Diamond Engagement Ring featuring 3.75 Carat Lab Grown Diamonds (Main View)

Shown with 3.75ct in Platinum

Shown with 4ct in 14k Yellow Gold

Shown with 4ct in 14k Yellow Gold

Platinum Solitaire with 5 Carat Emerald Cut Lab Diamond Ada Diamonds Design Number 235 on Model Image

Shown with 5ct in Platinum

Emerald Four Prong Solitaire Lab Diamond Wedding Ring On Model AD235

Shown with 3ct in Platinum

Shown with 2ct in Platinum

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Solitaires

Emerald Petite Four Prong Solitaire

Starting at $1,250 (Setting Only)

Simple and stunning, 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)

Simple and stunning, 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.