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 057 on model. product_details::Gusher Diamond Ring 057 on model.
    Gusher Diamond Ring 057 on light color background.

    Gusher Diamond Ring 057

    Gusher Diamond Ring 057

    $14,531.00
    $14,531.00 $14,531.00

    NEW ARRIVAL

  • Gusher Diamond Ring 059 on model. Gusher Diamond Ring 059 on model.
    Gusher Diamond Ring 059 on light color background.

    Gusher Diamond Ring 059

    Gusher Diamond Ring 059

    $15,385.00
    $15,385.00 $15,385.00

    NEW ARRIVAL

  • Gusher Diamond Ring 060 on model. product_details::Gusher Diamond Ring 060 on model.
    Gusher Diamond Ring 060 on light color background.

    Gusher Diamond Ring 060

    Gusher Diamond Ring 060

    $22,793.00
    $22,793.00 $22,793.00

    NEW ARRIVAL

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    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

    $41,312.00
    $41,312.00 $41,312.00

    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 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

    $25,642.00
    $25,642.00 $25,642.00

    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

    $29,916.00
    $29,916.00 $29,916.00

    READY TO SHIP

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    Geyser Light Blue Sapphire Ring 007 on model. product_details::Geyser Light Blue Sapphire Ring 007 on model.
    Geyser Light Blue Sapphire Ring 007 on light color background.

    Geyser Light Blue Sapphire Ring 007

    Geyser Light Blue Sapphire Ring 007

    $11,397.00
    $11,397.00 $11,397.00

    NEW ARRIVAL

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    Pineapple Rain Ring on model. Pineapple Rain Ring on model.
    Pineapple Rain Ring on light color background.

    Pineapple Rain Ring

    Pineapple Rain Ring

    $17,380.00
    $17,380.00 $17,380.00

    NEW ARRIVAL

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    Golden Aura Ring on model. product_details::Golden Aura Ring on model.
    Golden Aura Ring on light color background.

    Golden Aura Ring

    Golden Aura Ring

    $9,402.00
    $9,402.00 $9,402.00

    NEW ARRIVAL

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    Meadow Pearls Ring on model. Meadow Pearls Ring on model.
    Meadow Pearls Ring on light color background.

    Meadow Pearls Ring

    Meadow Pearls Ring

    $13,534.00
    $13,534.00 $13,534.00

    NEW ARRIVAL

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

    Narcissus Ring

    Narcissus Ring

    $249,294.00
    $249,294.00 $249,294.00

    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 Diamond Ring 046

    Gusher Diamond Ring 046

    $37,751.00
    $37,751.00 $37,751.00

    NEW ARRIVAL

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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 Diamond Ring 048

    Gusher Diamond Ring 048

    $34,189.00
    $34,189.00 $34,189.00

    NEW ARRIVAL

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    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

    $10,328.00
    $10,328.00 $10,328.00

    NEW ARRIVAL

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    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

    $37,751.00
    $37,751.00 $37,751.00

    READY TO SHIP

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    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

    $22,722.00
    $22,722.00 $22,722.00

    READY TO SHIP