Gemstones so special, they're one-and-done.

Bridal & Just-Because Solitaires

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We only made one.

Rare & Unusual

Shop One-of-a-Kind Jewelry

Choose your metal, gemstones, and widths.

Customizable Bands

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Spell it out in sterling silver.

CRZM by Mociun

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Fine jewelry made with rare and unusual gems. Designed by Caitlin Mociun and crafted in New York City.

Step into the world of Mociun.

Our Williamsburg Showroom

683 DRIGGS AVENUE