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Mociun is a New York-based fine jewelry brand founded by designer Caitlin Mociun, known for one-of-a-kind and made-to-order engagement rings, wedding bands, and high jewelry set with rare and unusual diamonds and gemstones. In addition to jewelry, Mociun offers a curated selection of home objects and decorative items from independent makers and artists.

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At a glance

About Mociun

Main category
Fine jewelry and home objects
Designer
Caitlin Mociun
Location
New York
Speciality
One-of-a-kind and made-to-order engagement rings and high jewelry
Stone selection
Rare, unusual and antique diamonds and gemstones
Custom program
Available, including heirloom stone resetting
Appointments
In-showroom and virtual appointments available
Additional range
Home decor, art objects, ceramics and tableware
Mociun operates in the premium fine jewelry segment, targeting customers who are looking for non-traditional, design-forward pieces rather than conventional luxury. The brand is built around the vision of designer Caitlin Mociun, whose signature approach combines unexpected stone pairings, antique and vintage finds, and custom craftsmanship. Clients can visit the showroom in New York by appointment, work with a specialist on a fully custom project, or reset heirloom stones into new settings. Beyond jewelry, the shop extends into home goods curated with a similar eye for enduring, artisan-made beauty.
June 2026

Active promotions

Ready to use with your order at Mociun.

Free private consultation when booking a showroom or virtual appointment to discuss a custom jewelry project.
To the shop
Complimentary jewelry care service included with selected ready-to-ship and made-to-order purchases.
To the shop
Recent

Mociun in the news

Recent updates and background about Mociun, summarised in our own words.

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Frequently asked questions

What others ask about Mociun

Answers to the most common questions, based on search behaviour and our own research.

Is Mociun a reliable place to buy fine jewelry?

Mociun is an established fine jewelry brand with a physical showroom in New York and a structured custom program overseen by designer Caitlin Mociun. Customers can book in-person or virtual appointments with jewelry specialists before purchasing.

Can I get a custom engagement ring made at Mociun?

Yes, Mociun offers a custom program through which clients work closely with a specialist to design a piece from scratch or customize an existing setting. It is also possible to bring in heirloom stones for resetting.

Does Mociun have a physical store I can visit?

Mociun has a showroom in New York where private appointments can be scheduled. The showroom allows clients to view diamonds and gemstones up close before making a decision.

What kind of jewelry does Mociun sell besides engagement rings?

Beyond engagement rings and wedding bands, Mociun offers a broad range of fine jewelry including earrings, necklaces, bracelets, and charms, as well as a CRZM sub-collection and a curated home goods range featuring ceramics, art objects, and tableware.

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