One-of-a-Kind Engagement Rings

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Engagement rings made with materials so rare and unusual, we only made one. With one-of-a-kinds, enjoy a complimentary resizing whenever — this means that you can have the ring now and send it back to us at any point in the future to resize for the perfect fit. Just select a size 6; we'll ship now and resize later.

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  • Closeup details of the custom jewelry displays within the Mociun Williamsburg Brooklyn Showroom interior, featuring autumnal colors, warm walnut finishes and furnishings from Bower Studios. Closeup details of the custom jewelry displays within the Mociun Williamsburg Brooklyn Showroom interior, featuring autumnal colors, warm walnut finishes and furnishings from Bower Studios.

    Get a closer look at what's meant to be yours.

    BOOK A ONE-ON-ONE

    Get a closer look at what's meant to be yours.

    BOOK A ONE-ON-ONE

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    Gusher Diamond Ring 046, Gold Wide Level Band and Gold Pavé Thin Level Band stack on model. Gusher Diamond Ring 041 on model.
    Gusher Diamond Ring 041 on light color background.

    Gusher Ring - Pear Diamond

    Gusher Ring

    $40,731.00
    $40,731.00 $40,731.00

    READY TO SHIP

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    Gusher Diamond Ring 045 on model. Gusher Diamond Ring 045 on model.
    Gusher Diamond Ring 045 on light color background.

    Gusher Ring - Oval Diamond

    Gusher Ring

    $29,495.00
    $29,495.00 $29,495.00

    READY TO SHIP

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    Gusher Diamond Ring 046 on model. product_details::Gusher Diamond Ring 046 on model.
    Gusher Diamond Ring 046 on light color background.

    Gusher Ring - Grand Pear Diamond

    Gusher Ring

    $37,220.00
    $37,220.00 $37,220.00

    READY TO SHIP

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    Gusher Diamond Ring 048 on model. product_details::Gusher Diamond Ring 048 on model.
    Gusher Diamond Ring 048 on light color background.

    Gusher Ring - Cushion Diamond

    Gusher Ring

    $33,709.00
    $33,709.00 $33,709.00

    READY TO SHIP

  • Styled long exposure image featuring the the Ula Pearl Necklaces on dark color background. Styled long exposure image featuring the the Ula Pearl Necklaces on dark color background.

    Instant gratification, endless possibility.

    A GIFT CARD IS BOTH

    Instant gratification, endless possibility.

    A GIFT CARD IS BOTH
  • Gusher Diamond Ring 060 on model. product_details::Gusher Diamond Ring 060 on model.
    Gusher Diamond Ring 060 on light color background.

    Gusher Ring - Cushion Diamond

    Gusher Ring

    $22,473.00
    $22,473.00 $22,473.00

    READY TO SHIP

  • Styled long exposure image featuring the the Ula Pearl Necklaces on dark color background. Styled long exposure image featuring the the Ula Pearl Necklaces on dark color background.

    Instant gratification, endless possibility.

    A GIFT CARD IS BOTH

    Instant gratification, endless possibility.

    A GIFT CARD IS BOTH

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    Geyser Diamond Ring 006 on model. Geyser Diamond Ring 006 on model.
    Geyser Diamond Ring 006 on light color background.

    Geyser Diamond Ring 006

    Geyser Diamond Ring 006

    $51,967.00
    $51,967.00 $51,967.00

    READY TO SHIP

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    Wrapped Ring on model. Wrapped Ring on model.
    Styled image featuring the Wrapped Ring on model. Styled image featuring the Wrapped Ring on model.
    Wrapped Ring on light color background.

    Wrapped Ring

    Wrapped Ring

    $39,327.00
    $39,327.00 $39,327.00

    READY TO SHIP

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    Coil Ring on model. Coil Ring on model.
    Styled image featuring the Coil Ring on model. Styled image featuring the Coil Ring on model.
    Coil Ring on light color background.

    Coil Ring

    Coil Ring

    $49,158.00
    $49,158.00 $49,158.00

    READY TO SHIP

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    Twist Ring on model. Twist Ring on model.
    Styled image featuring the Twist Ring on model. Styled image featuring the Twist Ring on model.
    Twist Ring on light color background.

    Twist Ring

    Twist Ring

    $53,372.00
    $53,372.00 $53,372.00

    READY TO SHIP

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    Encircle Ring on model. Encircle Ring on model.
    Styled image of the Encircle Ring on model. product_details::Styled image of the Entwine Ring and Twist Ring on model.
    Encircle Ring on light color background.

    Encircle Ring

    Encircle Ring

    $49,158.00
    $49,158.00 $49,158.00

    READY TO SHIP

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    Repeat Ring on model. product_details::Repeat Ring on model.
    Repeat Ring on light color background.

    Repeat Ring

    Repeat Ring

    $16,855.00
    $16,855.00 $16,855.00

    READY TO SHIP

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    Match Ring on model. product_details::Match Ring on model.
    Match Ring on light color background.

    Match Ring

    Match Ring

    $40,731.00
    $40,731.00 $40,731.00

    READY TO SHIP

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    Narcissus Ring on model. Narcissus Ring on model.
    Narcissus Ring on light color background.

    Narcissus Ring

    Narcissus Ring

    $245,789.00
    $245,789.00 $245,789.00

    READY TO SHIP

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    Doppiare Ring on model. product_details::Doppiare Ring on model.
    Doppiare Ring on light color background.

    Doppiare Ring

    Doppiare Ring

    $29,846.00
    $29,846.00 $29,846.00

    READY TO SHIP

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    Miroir Ring on male model. Miroir Ring on model.
    Miroir Ring on light color background.

    Miroir Ring

    Miroir Ring

    $15,801.00
    $15,801.00 $15,801.00

    READY TO SHIP

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    Shift Ring and Platinum White Diamond Pavé Mini Curve Band stack on model. product_details::Shift Ring and Platinum White Diamond Pavé Mini Curve Band stack on model.
    Shift Ring on light color background.

    Shift Ring

    Shift Ring

    $37,220.00
    $37,220.00 $37,220.00

    READY TO SHIP