Engagement Rings

Hand Selected Synthetic Diamonds set in White Gold Oval and Half Moon Diamond Engagement Ring (Main View)
Shown with 2ct in 18k White Gold
Lab Grown Diamonds set in White Gold Oval and Half Moon Setting (Profile View)
Shown with 2ct in 18k White Gold
White Gold Oval and Half Moon Setting featuring Diamonds (Side View)
Shown with 2ct in 18k White Gold
platinum three stone oval and half moon
Shown with 2.5ct in Platinum
lab created three stone engagement ring with oval and half moons
Shown with 2.5ct in Platinum
lab diamond three stone ring
Shown with 2.5ct in Platinum
Exceptional Quality 3.0 ctw Synthetic Diamonds set in Platinum Oval and Half Moon Diamond Engagement Ring (Main View)
Shown with 3ct in Platinum
lab created oval three stone engagement ring
Shown with 2ct in Platinum
platinum three stone ring with oval and half moons
Shown with 2ct in Platinum
Platinum Oval and Half Moon Setting featuring 1.5 ct Lab Created Diamonds (Main View)
Shown with 1.5ct in Platinum
18k White Gold Half Moon and Oval Lab Diamond Ring Ada Diamonds Design AD-277 Profile
Shown with 1.5ct in 18k White Gold
2.5 ctw Lab Diamonds set in Platinum Oval and Half Moon Diamond Engagement Ring (Profile View)
Shown with 2.5ct in Platinum
2ct oval in three stone ring
Shown with 2ct in Platinum
3.0 Carat Lab Diamonds set in Oval and Half Moon Diamond Engagement Ring
Shown with 3ct in Platinum
Platinum Oval and Half Moon 3.25 ct Lab Diamond Three Stone Ring Ada Diamonds Design AD-277 on Hand
Shown with 3.25ct in Platinum
lab created three stone engagement ring
three-stone-lab-diamond-engagement-ring_1649467749446-8NTO66GJL341WQ16N750
Shown with 3ct in Platinum
Shown with 3ct in Platinum
Shown with 3ct in Platinum
Three Stones

Oval and Half Moon Setting

Starting at $2,450 (Setting Only)

A versatile three stone engagement ring setting, featuring a pair of brilliant cut half-moon shaped lab grown diamond side stones in a classic cathedral style.

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.

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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