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.

  • On Model
  • Editorial
Newest
Best Selling
Highest Price
Lowest Price

  • Play Video

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

    Narcissus Ring

    Narcissus Ring

    $246,464.00
    $246,464.00 $246,464.00

    READY TO SHIP

  • 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.

    One-on-one appointments are the best way to experience Mociun.

    SNAG A SPOT

    One-on-one appointments are the best way to experience Mociun.

    SNAG A SPOT

  • Play Video

    Gusher Blue Sapphire Ring 039 on model. product_details::Gusher Blue Sapphire Ring 039 on model.
    Gusher Blue Sapphire Ring 039 on light color background.

    Gusher Blue Sapphire Ring 039

    Gusher Blue Sapphire Ring 039

    $12,324.00
    $12,324.00 $12,324.00

    READY TO SHIP

  • 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.

    One-on-one appointments are the best way to experience Mociun.

    SNAG A SPOT

    One-on-one appointments are the best way to experience Mociun.

    SNAG A SPOT

  • Play Video

    Gusher Diamond Ring 041 on model. product_details::Gusher Diamond Ring 041 on model.
    Gusher Diamond Ring 041 on light color background.

    Gusher Diamond Ring 041

    Gusher Diamond Ring 041

    $40,843.00
    $40,843.00 $40,843.00

    READY TO SHIP

  • Play Video

    Gusher Diamond Ring 044 on model. Gusher Diamond Ring 044 on model.
    Gusher Diamond Ring 044 on light color background.

    Gusher Diamond Ring 044

    Gusher Diamond Ring 044

    $25,351.00
    $25,351.00 $25,351.00

    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

  • Play Video

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

    Gusher Diamond Ring 045

    Gusher Diamond Ring 045

    $29,576.00
    $29,576.00 $29,576.00

    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

  • Play Video

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

    Gusher Diamond Ring 046

    Gusher Diamond Ring 046

    $37,322.00
    $37,322.00 $37,322.00

    NEW ARRIVAL

  • Play Video

    Gusher Diamond Ring 047 on model. product_details::Gusher Diamond Ring 047 on model.
    Gusher Diamond Ring 047 on light color background.

    Gusher Diamond Ring 047

    Gusher Diamond Ring 047

    $22,534.00
    $22,534.00 $22,534.00

    NEW ARRIVAL

  • Play Video

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

    Gusher Diamond Ring 048

    Gusher Diamond Ring 048

    $33,801.00
    $33,801.00 $33,801.00

    NEW ARRIVAL

  • Play Video

    Geyser Bicolor Sapphire Ring 008 on model. Geyser Bicolor Sapphire Ring 008 on model.
    Geyser Bicolor Sapphire Ring 008 on light color background.

    Geyser Bicolor Sapphire Ring 008

    Geyser Bicolor Sapphire Ring 008

    $10,211.00
    $10,211.00 $10,211.00

    NEW ARRIVAL

  • Play Video

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

    Shift Ring

    Shift Ring

    $37,322.00
    $37,322.00 $37,322.00

    READY TO SHIP

  • Play Video

    Illusion of Opposites Ring on model. Illusion of Opposites Ring on model.
    Illusion of Opposites Ring on light color background.

    Illusion of Opposites Ring

    Illusion of Opposites Ring

    $22,464.00
    $22,464.00 $22,464.00

    READY TO SHIP

  • Play Video

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

    Loving Ring

    Loving Ring

    $10,422.00
    $10,422.00 $10,422.00

    READY TO SHIP

  • Play Video

    Catasetum Ring on model. Catasetum Ring on model.
    Catasetum Ring on light color background.

    Catasetum Ring

    Catasetum Ring

    $12,253.00
    $12,253.00 $12,253.00

    READY TO SHIP

  • Play Video

    Gusher Diamond Ring 029 on model. product_details::Gusher Diamond Ring 029 on model.
    Gusher Diamond Ring 029 on light color background.

    Gusher Diamond Ring 029

    Gusher Diamond Ring 029

    $38,730.00
    $38,730.00 $38,730.00

    READY TO SHIP

  • Play Video

    Alluim Ring on model. Alluim Ring on model.
    View from the side of the Alluim Ring on light color background.

    Alluim Ring

    Alluim Ring

    $94,361.00
    $94,361.00 $94,361.00

    NEW ARRIVAL