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

    $248,219.00
    $248,219.00 $248,219.00

    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

    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

    $37,588.00
    $37,588.00 $37,588.00

    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

    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

    $22,624.00
    $22,624.00 $22,624.00

    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

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

    Loving Ring

    Loving Ring

    $10,497.00
    $10,497.00 $10,497.00

    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

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

    Catasetum Ring

    Catasetum Ring

    $12,341.00
    $12,341.00 $12,341.00

    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

    $39,006.00
    $39,006.00 $39,006.00

    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

    $95,033.00
    $95,033.00 $95,033.00

    NEW ARRIVAL

  • Play Video

    Warbler Ring on light color background.

    Warbler Ring

    Warbler Ring

    $39,715.00
    $39,715.00 $39,715.00

    READY TO SHIP

  • Play Video

    Gusher Diamond Ring 009 on model. Gusher Diamond Ring 009 on model.
    Gusher Diamond Ring 009 on light color background.

    Gusher Diamond Ring 009

    Gusher Diamond Ring 009

    $76,026.00
    $76,026.00 $76,026.00

    READY TO SHIP

  • Play Video

    Nerine Ring on model. Nerine Ring on model.
    Nerine Ring on light color background.

    Nerine Ring

    Nerine Ring

    $12,766.00
    $12,766.00 $12,766.00

    READY TO SHIP

  • Play Video

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

    Warmhearted Ring

    Warmhearted Ring

    $19,291.00
    $19,291.00 $19,291.00

    READY TO SHIP

  • Play Video

    Encircle Ring on model. product_details::Entwine Ring and Twist Ring on model.
    Encircle Ring on light color background.

    Encircle Ring

    Encircle Ring

    $49,644.00
    $49,644.00 $49,644.00

    READY TO SHIP

  • Play Video

    Fritillaria Ring on model. Fritillaria Ring on model.
    Fritillaria Ring on light color background.

    Fritillaria Ring

    Fritillaria Ring

    $8,795.00
    $8,795.00 $8,795.00

    READY TO SHIP

  • Play Video

    Enfold Ring on model. product_details::Enfold Ring on model.
    Enfold Ring on grey color background.

    Enfold Ring

    Enfold Ring

    $34,751.00
    $34,751.00 $34,751.00

    READY TO SHIP

  • Play Video

    Bind Ring on model. product_details::Entwine Ring and Twist Ring on model.
    Styled image featuring the Bind Ring.
    Bind Ring on light color background.

    Bind Ring

    Bind Ring

    $45,389.00
    $45,389.00 $45,389.00

    READY TO SHIP