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"Store it in The Vault, Lock it in a Cage" Make it personal and select your favorite stone for your new cage earrings or necklace.

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Katherine believes in educating her customers on the secretive world of gems and jewelry. In an industry shrouded in mystery, she wants to empower her customers to ask smart questions and make informed decisions.

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Katherine believes in educating her customers on the secretive world of gems and jewelry. In an industry shrouded in mystery, she wants to empower her customers to ask smart questions and make informed decisions.

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Katherine believes in educating her customers on the secretive world of gems and jewelry. In an industry shrouded in mystery, she wants to empower her customers to ask smart questions and make informed decisions.

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Katherine believes in educating her customers on the secretive world of gems and jewelry. In an industry shrouded in mystery, she wants to empower her customers to ask smart questions and make informed decisions.

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Katherine believes in educating her customers on the secretive world of gems and jewelry. In an industry shrouded in mystery, she wants to empower her customers to ask smart questions and make informed decisions.

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Come say hi IRL!

The Vault
A boutique of award winning jewelry designers. Planning some special things for our Fourth Season in this unprecedented year.

Located in Hotel Pippa, winner of Best Hotel 2019 by Boston Magazine!

33 Centre Street, Nantucket

Contact & Special Event

The Bauble Bar!

Come visit the Bauble Bar and design your own custom piece with Katie herself!

Schedule Time Today

Katherine Jetter

Katherine is a gemologist, designer, production manager and gem hunter herself, so she knows what's what. This summer, she personally invites you to her boutique, where she is upending the retail experience. She provides access to her most trusted sources and you could have the privilege to speak with some of the most respected and celebrated experts in the business.

She believes in educating her customers on the secretive world of gems and jewelry. In an industry shrouded in mystery, she wants to empower her customers to ask smart questions and make informed decisions.

Attendees will have the opportunity to see jewelry from award winning designers in a relaxed and welcoming atmosphere. Katherine is drawn to those who upended the industry by doing things their way, and are at the peak of manufacturing techniques!

Every piece has been personally selected by Katherine to give her clients the ultimate jewelry experience.

Read Our Story

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The Vault A boutique of award winning jewelry designers. Planning some special things for our Fourth Season in this unprecedented year. Located in Hotel Pippa, winner of Best Hotel 2019 by Boston Magazine! 33 Centre Street, Nantucket Contact & Special Event Come visit the Bauble Bar and design your own custom piece with Katie herself!

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We accept unworn merchandise with tags up to 7 days after purchase.

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Open 10AM-5PM in June, closed Sundays & Mondays We are offering special events and experiences for Summer 2020. Please reach out for more information!

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Thank you to everyone who joined us for Nantucket Stroll 2019!

Due to COVID-19, our regularly scheduled in-store events this summer have been impacted. We invite you to follow us on Instagram for the latest news and to visit us in the store if you're on island. We are following all CDC and the State of Massachusetts guidelines.

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Thank you to everyone who joined us for Nantucket Stroll 2019! Due to COVID-19, our regularly scheduled in-store events this summer have been impacted. We invite you to follow us on Instagram for the latest news and to visit us in the store if you're on island.

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Owner, Katherine Jetter, is a GIA Graduate Gemologist and Couture Award Jewelry Designer. She has also been nominated as one of the top contemporary heirloom designers in the world by jewelry historian Olivier Dupon, and is carried by Saks Fifth Avenue, Mitchell's Stores, and other bespoke stockists specializing in luxury fashion and jewelry, across the country. She is recognized in the industry as a leading world expert in Opals and Colored Gemstones, and is known as a gem hunter of all things rare and exceptional. She is known both for her own collection, and her custom work for discerning, private clients around the world.

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Owner, Katherine Jetter, is a GIA Graduate Gemologist and Couture Award Jewelry Designer. She has also been nominated as one of the top contemporary heirloom designers in the world by jewelry historian Olivier Dupon, and is carried by Saks Fifth Avenue, Mitchell's Stores, and other bespoke stockists specializing in lux

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SUMMER 2019 2019 Exclusives Alex Sepkus Nora Kogan Stephen Webster IO Collective Vhernier Suel Jewelry Fernando Jorge MarMari Jewelry Victor Velyan Era Jewelry Seal & Scribe Onirikka Jewelry Shambala Jewels Andrew Glassford Jewels Feral Jade Trau Arunashi Cadar Fine Jewelry Ark Fine Jewelry Cadar Fine Jewelry Mess

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Katherine believes in educating her customers on the secretive world of gems and jewelry. In an industry shrouded in mystery, she wants to empower her customers to ask smart questions and make informed decisions.

# data[].attributes.attachment_link.description
Katherine believes in educating her customers on the secretive world of gems and jewelry. In an industry shrouded in mystery, she wants to empower her customers to ask smart questions and make informed decisions.