Engagement Rings

2.0 Carat Diamonds Round Classic Four Prong Solitaire Diamond Engagement Ring in Platinum (Main View)
Shown with 2ct in 18k White Gold
White Gold Round Classic Four Prong Solitaire featuring Lab Diamonds (Profile View)
Shown with 2ct in 18k White Gold
High Quality Lab Grown Diamonds set in White Gold Round Classic Four Prong Solitaire (Side View)
Shown with 2ct in 18k White Gold
platinum 2.5ct round classic lab diamond solitaire engagement ring ada diamonds design ad 144 macro
Shown with 2.5ct in Platinum
Platinum Round Classic Four Prong Solitaire Diamond Engagement Ring featuring Exceptional Quality 2.0 ctw Lab Diamonds (Profile View)
Shown with 2.5ct in Platinum
platinum 2.5ct round lab diamond classic four prong solitaire engagement ring ada diamonds design ad 144 profile view
Shown with 2.5ct in Platinum
2.0 ct Diamonds Round Classic Four Prong Solitaire in Platinum (Profile View)
Shown with 2ct in Platinum
3.5 ct Diamonds set in Platinum Round Classic Four Prong Solitaire (Main View)
Shown with 3.5ct in Platinum
3.5 Carat Lab Grown Diamonds Round Classic Four Prong Solitaire Diamond Engagement Ring in Platinum (Profile View)
Shown with 3.5ct in Platinum
platinum 1.25 ct round lab diamond classic four prong solitaire engagement ring ada diamonds design ad 144
Shown with 1.25ct in Platinum
3.75 carat Platinum Round Classic Four Prong Solitaire Diamond Engagement Ring featuring Created Diamonds (Main View)
Shown with 3.75ct in Platinum
Platinum Round Classic Four Prong Solitaire Diamond Engagement Ring featuring Hand Selected Diamonds (Profile View)
Shown with 3.75ct in Platinum
3 Carat Platinum Round Brilliant Classic Four Prong Solitaire Engagement Ring featuring Lab Grown Diamonds Ada Diamonds Design Number AD-144 Side View White Background
Shown with 3ct in Platinum
2.75 ctw Synthetic Diamonds Round Classic Four Prong Solitaire Diamond Engagement Ring in Platinum (Main View)
Shown with 2.75ct in Platinum
2.75ct Classic Round four prong solitare made in platinum engagement ring made with laboratory grown diamonds ADA Diamonds design ad 144
Shown with 2.75ct in Platinum
Platinum Round Classic Four Prong Solitaire Diamond Engagement Ring featuring Exceptional Quality 2.75 Carat Man Made Diamonds
Shown with 2.75ct in Platinum
Platinum Round Classic Four Prong Solitaire featuring 5.0 ctw Lab Diamonds (Main View)
Shown with 5ct in Platinum
High Quality 5.0 Carat Lab Diamonds set in Platinum Round Classic Four Prong Solitaire (Main View)
Shown with 5ct in Platinum
White Gold 1.25 Carat Round Brilliant Solitaire Engagement Ring Feat. Lab Grown Diamonds Ada Diamonds Design Number AD-144 on Model Shot
Shown with 1.25ct in Platinum
platinum 2 carat round classic four prong lab diamond solitaire engagement ring on model ada diamonds design ad 144
Shown with 2ct in Platinum
2.75ct Classic Round four prong solitare made in platinum engagement ring made with lab made diamonds ADA Diamonds design ad 144
Shown with 2.75ct in Platinum
Platinum Round Classic Four Prong Solitaire Diamond Engagement Ring featuring Hand Selected 3.25 Carat Diamonds
Shown with 3.25ct in Platinum
3.5 Carat Round Platinum Lab Diamond Solitaire Engagement Ring with Wedding Band on Model Ada Diamonds Design Number AD-144
Shown with 3.5ct in Platinum
Lab Created Diamonds set in Platinum Round Classic Four Prong Solitaire (Main View)
Shown with 3.75ct in Platinum
Four Carat Round Four Prong Solitaire Lab Grown Diamond Engagement Ring On Hand Ada Diamonds Design 144
Shown with 4ct in Platinum
5 Carat Round Classic Four Prong Engagement Ring On Model Ada Diamonds Design AD-144
Shown with 5ct in Platinum
profile view of platinum two carat round brilliant classic solitaire engagement ring with man made diamonds ada diamonds design ad 144 on model
Shown with 2ct in Platinum
Shown with 2.75ct in Platinum
Shown with 2.75ct in Platinum
Solitaires

Round Classic Four Prong Solitaire

Starting at $1,250 (Setting Only)

Affectionately known as "ring pop" by our Diamond Concierge team, this timeless and traditional solitaire setting features four prongs 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.

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.

Only the Finest Quality

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