Marquise
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Cushion Engagement Rings

Shop our collection of cushion lab grown diamond engagement rings, a favourite for their soft shape and eye-catching sparkle. 

  • 2.5 CT Old Min Cushion: Pronged Bezel Lab Grown Diamond Engagement Ring 2.5 CT Old Min Cushion: Pronged Bezel Lab Grown Diamond Engagement Ring

    2.5 CT Old Min Cushion: Pronged Bezel Lab Grown Diamond Engagement Ring

    2.5 CT Old Min Cushion: Pronged Bezel Lab Grown Diamond Engagement Ring

    $1.00 USD
    $1.00 USD
  • 2.5 CT Elongated Cushion: Pronged Bezel Lab Grown Diamond Engagement Ring 2.5 CT Elongated Cushion: Pronged Bezel Lab Grown Diamond Engagement Ring

    2.5 CT Elongated Cushion: Pronged Bezel Lab Grown Diamond Engagement Ring

    2.5 CT Elongated Cushion: Pronged Bezel Lab Grown Diamond Engagement Ring

    From $2,850.00 USD
    From $2,850.00 USD
  • 2 CT Elongated Cushion: Split Shank Lab Grown Diamond Engagement Ring 2 CT Elongated Cushion: Split Shank Lab Grown Diamond Engagement Ring

    2 CT Elongated Cushion: Split Shank Lab Grown Diamond Engagement Ring

    2 CT Elongated Cushion: Split Shank Lab Grown Diamond Engagement Ring

    From $3,400.00 USD
    From $3,400.00 USD
  • 2.5 CT Elongated Cushion & Pear: Bezel Toi Et Moi Lab Grown Diamond Engagement Ring 2.5 CT Elongated Cushion & Pear: Bezel Toi Et Moi Lab Grown Diamond Engagement Ring

    2.5 CT Elongated Cushion & Pear: Bezel Toi Et Moi Lab Grown Diamond Engagement Ring

    2.5 CT Elongated Cushion & Pear: Bezel Toi Et Moi Lab Grown Diamond Engagement Ring

    From $3,100.00 USD
    From $3,100.00 USD
  • 2.5 CT Elongated Cushion: Pronged Bezel Lab Grown Diamond Engagement Ring 2.5 CT Elongated Cushion: Pronged Bezel Lab Grown Diamond Engagement Ring

    2.5 CT Elongated Cushion: Pronged Bezel Lab Grown Diamond Engagement Ring

    2.5 CT Elongated Cushion: Pronged Bezel Lab Grown Diamond Engagement Ring

    From $2,250.00 USD
    From $2,250.00 USD
  • 1.5 CT Elongated Cushion: Bezel Lab Grown Diamond Engagement Ring 1.5 CT Elongated Cushion: Bezel Lab Grown Diamond Engagement Ring

    1.5 CT Elongated Cushion: Bezel Lab Grown Diamond Engagement Ring

    1.5 CT Elongated Cushion: Bezel Lab Grown Diamond Engagement Ring

    From $1,600.00 USD
    From $1,600.00 USD
  • 2 CT Elongated Cushion: Pronged Bezel Lab Grown Diamond Engagement Ring 2 CT Elongated Cushion: Pronged Bezel Lab Grown Diamond Engagement Ring

    2 CT Elongated Cushion: Pronged Bezel Lab Grown Diamond Engagement Ring

    2 CT Elongated Cushion: Pronged Bezel Lab Grown Diamond Engagement Ring

    From $3,600.00 USD
    From $3,600.00 USD
  • 1.5 CT Elongated Cushion: Chunky Solitaire Lab Grown Diamond Engagement Ring 1.5 CT Elongated Cushion: Chunky Solitaire Lab Grown Diamond Engagement Ring

    1.5 CT Elongated Cushion: Chunky Solitaire Lab Grown Diamond Engagement Ring

    1.5 CT Elongated Cushion: Chunky Solitaire Lab Grown Diamond Engagement Ring

    From $3,100.00 USD
    From $3,100.00 USD
  • 2 CT Cushion: Split Shank Lab Grown Diamond Engagement Ring 2 CT Cushion: Split Shank Lab Grown Diamond Engagement Ring

    2 CT Cushion: Split Shank Lab Grown Diamond Engagement Ring

    2 CT Cushion: Split Shank Lab Grown Diamond Engagement Ring

    From $3,400.00 USD
    From $3,400.00 USD
  • SDK023 SDK023

    2.62 CT Elongated Cushion Solitaire Lab Grown Diamond Engagement Ring

    2.62 CT Elongated Cushion Solitaire Lab Grown Diamond Engagement Ring

    From $3,200.00 USD
    From $3,200.00 USD
  • SDK034 SDK034

    1.13 CT Cushion Pave Lab-Grown Diamond Engagement Ring

    1.13 CT Cushion Pave Lab-Grown Diamond Engagement Ring

    From $1,840.00 USD
    From $1,840.00 USD
  • SDK041 SDK041

    3.02 CT Elongated Cushion Hidden Halo Lab Grown Diamond Engagement Ring

    3.02 CT Elongated Cushion Hidden Halo Lab Grown Diamond Engagement Ring

    From $2,890.00 USD
    From $2,890.00 USD
  • SDK032 SDK032

    3.1 CT Elongated Cushion Hidden Halo Lab Grown Diamond Engagement Ring

    3.1 CT Elongated Cushion Hidden Halo Lab Grown Diamond Engagement Ring

    From $2,690.00 USD
    From $2,690.00 USD
  • SDK048 SDK048

    3.09 CT Elongated Cushion Bezel Solitaire Lab-Grown Diamond Engagement Ring

    3.09 CT Elongated Cushion Bezel Solitaire Lab-Grown Diamond Engagement Ring

    From $2,950.00 USD
    From $2,950.00 USD
  • SDK035 SDK035

    2.06 CT Elongated Cushion Hidden Halo Lab Grown Diamond Engagement Ring

    2.06 CT Elongated Cushion Hidden Halo Lab Grown Diamond Engagement Ring

    From $2,130.00 USD
    From $2,130.00 USD
  • SDK033 SDK033

    3.01 CT Elongated Cushion Bezel Lab Grown Diamond Engagement Ring

    3.01 CT Elongated Cushion Bezel Lab Grown Diamond Engagement Ring

    From $2,800.00 USD
    From $2,800.00 USD
  • SDK031 SDK031

    2.09 CT Elongated Cushion Hidden Halo Lab Grown Diamond Engagement Ring

    2.09 CT Elongated Cushion Hidden Halo Lab Grown Diamond Engagement Ring

    From $2,140.00 USD
    From $2,140.00 USD
  • SDK010 SDK010

    3 CT Cushion Hidden Halo Lab Grown Diamond Engagement Ring

    3 CT Cushion Hidden Halo Lab Grown Diamond Engagement Ring

    From $2,620.00 USD
    From $2,620.00 USD
  • 2.5 CT Elongated Cushion Three Stone Lab Grown Diamond Engagement Ring 2.5 CT Elongated Cushion Three Stone Lab Grown Diamond Engagement Ring

    2.5 CT Elongated Cushion Three Stone Lab Grown Diamond Engagement Ring

    2.5 CT Elongated Cushion Three Stone Lab Grown Diamond Engagement Ring

    From $2,440.00 USD
    From $2,440.00 USD
  • 2 CT Cushion Pave Lab Grown Diamond Engagement Ring 2 CT Cushion Pave Lab Grown Diamond Engagement Ring

    2 CT Cushion Pave Lab Grown Diamond Engagement Ring

    2 CT Cushion Pave Lab Grown Diamond Engagement Ring

    From $2,210.00 USD
    From $2,210.00 USD
  • 4.5 CT Cushion Solitaire Lab Grown Diamond Engagement Ring 4.5 CT Cushion Solitaire Lab Grown Diamond Engagement Ring

    4.5 CT Cushion Solitaire Lab Grown Diamond Engagement Ring

    4.5 CT Cushion Solitaire Lab Grown Diamond Engagement Ring

    From $4,580.00 USD
    From $4,580.00 USD
  • 4.5 CT Cushion Solitaire Lab Grown Diamond Engagement Ring 4.5 CT Cushion Solitaire Lab Grown Diamond Engagement Ring

    4.5 CT Cushion Solitaire Lab Grown Diamond Engagement Ring

    4.5 CT Cushion Solitaire Lab Grown Diamond Engagement Ring

    From $4,580.00 USD
    From $4,580.00 USD
  • SDK022 SDK022

    2.5 CT Elongated Cushion Hidden Halo Lab Grown Diamond Engagement Ring

    2.5 CT Elongated Cushion Hidden Halo Lab Grown Diamond Engagement Ring

    From $2,320.00 USD
    From $2,320.00 USD
  • 3.2 CT Elongated Cushion Hidden Halo Lab Grown Diamond Engagement Ring 3.2 CT Elongated Cushion Hidden Halo Lab Grown Diamond Engagement Ring

    3.2 CT Elongated Cushion Hidden Halo Lab Grown Diamond Engagement Ring

    3.2 CT Elongated Cushion Hidden Halo Lab Grown Diamond Engagement Ring

    From $2,540.00 USD
    From $2,540.00 USD