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Limited Time Offer - 20% Off Everything
  1. Engagement Rings/
  2. Solitaires/
  3. Cushion

Cushion Classic Four Prong Solitaire

  • 18k White Gold Cushion Classic Four Prong Solitaire Diamond Engagement Ring featuring 2.0 Carat Lab Diamonds (Main View)
    Shown with 2ct in 18k White Gold
  • Lab Diamonds set in White Gold Cushion Classic Four Prong Solitaire (Main View)
    Shown with 2ct in 18k White Gold
  • Diamonds Cushion Classic Four Prong Solitaire in White Gold (Profile View)
    Shown with 2ct in 18k White Gold
  • Created Diamonds Cushion Classic Four Prong Solitaire Diamond Engagement Ring in White Gold (Profile View)
    Shown with 2ct in 18k White Gold
  • White Gold Cushion Classic Four Prong Solitaire Diamond Engagement Ring featuring Lab Diamonds (Side View)
    Shown with 2ct in 18k White Gold
  • Diamonds Cushion Classic Four Prong Solitaire in White Gold (Side View)
    Shown with 2ct in 18k White Gold
  • Yellow Gold Cushion Classic Four Prong Solitaire featuring 1.75 Carat Man Made Diamonds (Main View)
    Shown with 1.75ct in 14k Yellow Gold
  • Yellow Gold Cushion Classic Four Prong Solitaire Diamond Engagement Ring featuring 1.75 ct Diamonds (Side View)
    Shown with 1.75ct in 14k Yellow Gold
  • Yellow Gold Cushion Classic Four Prong Solitaire Diamond Engagement Ring featuring 1.75 ct Lab Diamonds (Main View)
    Shown with 1.75ct in 14k Yellow Gold
  • Platinum 3.5ct Cushion Cut Lab Grown Diamond Solitaire Engagement Ring Ada Diamonds Design AD-335 Macro
    Shown with 3.5ct in Platinum
  • 3.5ct Platinum Cushion Solitaire with Lab Diamond Ada Diamonds Design AD-335 Profile
    Shown with 3.5ct in Platinum
  • Two Tone White and Rose Gold 2ct Cushion Lab Diamond Classic Solitaire Ada Diamonds Design AD-335 Artistic
    Shown with 2ct in Platinum & 14k Rose Gold
  • 14k Yellow Gold 1.25 Carat Cushion Cut Lab Created Diamond Solitaire Ada Diamonds Design AD-335 Macro
    Shown with 1ct in 14k Yellow Gold
  • 14k Yellow Gold 1.25 Carat Cushion Cut Lab Grown Diamond Solitaire Ada Diamonds Design AD-335 Profile
    Shown with 2ct in 14k Yellow Gold
  • 3.25 ct Lab Diamonds Cushion Classic Four Prong Solitaire Diamond Engagement Ring in 14k Yellow Gold (Side View)
    Shown with 3.25ct in 14k Yellow Gold
  • 1 Carat Cushion Solitaire Engagement Ring with Lab Diamond Ada Diamonds Design AD-335 on Model
    Shown with 1.25ct in Yellow Gold
  • 1.5ct cushion cut lab diamond in classic four prong solitaire
    Shown with 1.5ct in 18k White Gold
  • 1.75ct cushion cut lab diamond in classic four prong solitaire
    Shown with 1.75ct in Yellow Gold
  • White and Rose Gold 2 Carat Cushion Cut Lab Diamond Solitaire Engagement Ring Ada Diamonds Design AD-335 on Model
    Shown with 2ct in White Gold
  • 2.25ct cushion cut lab diamond in classic four prong solitaire
    Shown with 2.25ct in Platinum
  • 2.5ct cushion cut lab diamond in classic four prong solitaire
    Shown with 2.5ct in 14k Platinum
  • 2.75ct cushion cut lab diamond in classic four prong solitaire
    Shown with 2.75ct in Platinum
  • Yellow Gold Cushion Classic Four Prong Solitaire Diamond Engagement Ring featuring Exceptional Quality 3.25 ct Lab Grown Diamonds (Main View)
    Shown with 3.25ct in 14k Yellow Gold
  • Platinum 3.5 Carat Cushion Cut Lab Diamond Solitaire Engagement Ring Ada Diamonds Design AD-335 on Model
    Shown with 3.5ct in Platinum
  • 18k Yellow Gold 3ct Cushion Lab Created Diamond Solitaire Engagement Ring Ada Diamonds Design AD-335 on Model
    Shown with 3.25ct in 14k Yellow Gold
  • Shown with 1.5ct in 14k Yellow Gold
  • Shown with 3.5ct in Platinum
  • Shown with 3.5ct in Platinum
    Setting From $1,250 $1,000
    Ships in 2-3 Weeks

    Our friendly Diamond Concierge Team is available to answer any questions you may have, help you choose a spectacular lab diamond, and customize this engagement ring to your exact specifications.

    Cushion Classic Four Prong Solitaire - Ada Diamonds

    Holiday Sale 2024

    Terms & Conditions:

    • Discount applies to select styles only.
    • This offer does not apply to custom-designed jewelry or settings.
    • A full diamond purchase is required to qualify for the discount; deposits (20%) are excluded.
    • Settings are eligible for a discount only with the purchase of a diamond.
    • Offer is valid for new purchases only and does not apply to previous transactions.
    • This promotion is available for a limited time and may be withdrawn at any time without notice.
    • This offer cannot be combined with any other promotions, discounts, or special offers.

    Elegant and timeless, this setting features four prongs for maximum security. Customize your lab diamond solitaire engagement ring with band widths of 1.8-2.5mm. 

    Ready to Begin Your Concierge Experience?

    © 2024 Ada Diamonds, Inc. All diamonds offered by Ada Diamonds™ are proudly laboratory-grown and can be referred to as lab created diamonds, grown diamonds, synthetic diamonds, man-made diamonds, cultivated diamonds, or cultured diamonds.