Diamonds Cushion Cathedral Solitaire in White Gold (Main View)
Shown with 2ct in 18k White Gold
Diamonds Cushion Cathedral Solitaire in White Gold (Main View)
Shown with 2ct in 18k White Gold
White Gold Cushion Cathedral Solitaire featuring Diamonds (Profile View)
Shown with 2ct in 18k White Gold
Diamonds Cushion Cathedral Solitaire in White Gold (Profile View)
Shown with 2ct in 18k White Gold
Diamonds set in White Gold Cushion Cathedral Solitaire Diamond Engagement Ring (Side View)
Shown with 2ct in 18k White Gold
White Gold Cushion Cathedral Solitaire Diamond Engagement Ring featuring Lab Diamonds (Side View)
Shown with 2ct in 18k White Gold
cushion cut lab diamond engagement ring solitaire
Shown with 2ct in 18k White Gold
Platinum Cushion Cathedral Solitaire featuring Hand Selected 1.25 ct Lab Diamonds (Main View)
Shown with 1.25ct in Platinum
Cushion Cathedral Solitaire Diamond Engagement Ring featuring Lab Diamonds (Side View)
Shown with 1.25ct in Platinum
white gold cathedral solitaire with cushion cut
Shown with 2ct in 18k White Gold
Platinum 3.5ct Cushion Cut Lab Diamond Solitaire Engagement Ring Ada Diamonds Design AD-334 Macro
Shown with 3.5ct in Platinum
Platinum 2ct Cushion Cut Cathedral Solitaire Engagement Ring Ada Diamonds Design AD-334 Macro
Shown with 2ct in Platinum
1-25ct-cushion-cut-in-solitaire-engagement-ring_1646514080670-KB09ZSBBX3HR8IV2DMK1
Shown with 1.25ct in Platinum
Platinum 3.5 Carat Cushion Cathedral Solitaire Lab Diamond Ring Ada Diamonds Design AD-334 on Model
Shown with 3.5ct in Platinum
Platinum Cushion Cathedral Solitaire featuring 1.25 ctw Synthetic Diamonds (Side View)
Shown with 1.25ct in Platinum
Shown with 2ct in 18k White Gold
Shown with 2ct in 18k White Gold
1 / 17
Solitaires

Cushion Cathedral Solitaire

Starting at $1,350 (Setting Only)

Simply classic, this setting features petite prongs and raised catherdal shoulders. 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

You may also love...