Engagement Rings

Synthetic Diamonds Radiant and Trapezoid Setting in White Gold (Main View)
Shown with 2ct in 18k White Gold
Lab Grown Diamonds set in White Gold Radiant and Trapezoid Diamond Engagement Ring (Profile View)
Shown with 2ct in 18k White Gold
High Quality Lab Grown Diamonds set in White Gold Radiant and Trapezoid Setting (Side View)
Shown with 2ct in 18k White Gold
18k white gold 4.5 carat three stone engagement ring with radiant and trapezoid lab grown diamonds ada diamonds design ad 278
Shown with 4.5ct in 18k Platinum
platinum 3.5ct radiant cut lab grown diamond engagement ring with trapezoid side stones ada diamonds design ad 278 side view
Shown with 4.5ct in Platinum
18k white gold radiant cut 3ct lab diamond engagement ring wiht trapezoid side stones ada diamonds design ad 278 profile
Shown with 3ct in 18k Platinum
platinum 4 ct radiant cut and trapezoid three stone engagement ring with lab diamonds ada diamonds design ad 278 macro
Shown with 3ct in Platinum
14k yellow gold 4 carat radiant cut and trapezoid three stone engagement ring with lab diamonds ada diamonds design ad 278 macro
Shown with 3.5ct in 14k Yellow Gold
14k yellow gold 4 ct radiant cut lab diamond ring with trapezoid side stones ada diamonds design ad 278 profile
Shown with 3.5ct in 14k Yellow Gold
Exceptional Quality 4.0 Carat Lab Diamonds Radiant and Trapezoid Setting in Yellow Gold (Main View)
Shown with 4ct in 14k Yellow Gold
3.5 ctw Lab Created Diamonds Radiant and Trapezoid Diamond Engagement Ring in Yellow Gold (Profile View)
Shown with 3.5ct in 14k Yellow Gold
1.5ct radiant cut lab diamond in three stone
Shown with 2.5ct in Platinum
2.5 Carat Lab Diamonds set in Platinum Radiant and Trapezoid Setting (Main View)
Shown with 2ct in Platinum
platinum lab diamond three stone ring with 2.25 ct radiant cut lab diamond and trapezoid side stones ada diamonds design ad 278 on model
Shown with 2.25ct in Platinum
Yellow Gold Radiant and Trapezoid Diamond Engagement Ring featuring 2.5 ct Diamonds (Main View)
Shown with 2.5ct in 14k Yellow Gold
platinum 2.75ct radiant cut and trapezoid three stone lab diamond engagement ring ada diamonds design ad278 on model
Shown with 2.75ct in Platinum
platinum 3 carat radiant cut and trapezoid three stone lab diamond engagement ring ada diamonds design ad 278 on model
Shown with 3ct in Platinum
Yellow Gold Radiant and Trapezoid Diamond Engagement Ring featuring High Quality 3.5 ctw Lab Diamonds (Main View)
Shown with 3.5ct in 14k Yellow Gold
platinum 4.5 carat radiant cut lab diamond ring with trapezoid side stones ada diamonds design ad 278
Shown with 3.75ct in Platinum
4 carat radiant and trapezoid three stone lab created diamond engagement ring ada diamonds design ad 278
Shown with 4ct in 14k Yellow Gold
1.5 Carat Diamonds Radiant and Trapezoid Diamond Engagement Ring in Platinum & Yellow Gold (Main View)
Shown with 2.5ct in 14k Platinum
Shown with 3ct in Platinum
Shown with 3ct in Platinum
Shown with 4ct in 14k Yellow Gold
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Three Stones

Radiant and Trapezoid Setting

Starting at $2,450 (Setting Only)

A modern three stone engagement ring setting, featuring a pair of brilliant cut trapezoid lab grown diamond side stones in a basket or trellis style.

Selection Options
Oval and Trapezoid Setting

Oval

Radiant

Radiant

Cushion and Trapezoid Setting

Cushion

Princess and Trapezoid Setting

Princess

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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