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Your Personal Jewelry Concierge

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Imagination, Insight, Expertise

We collaborate with our clients to interpret their style and create a unique, personal, custom jewelry design.


Turn old jewels into a design that’s relevant to your style today. The experience is personal and collaborative, the process is mindful and creative.
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Custom Design

We take the time to understand your personal aesthetic in order to create and design a custom one-of-a-kind piece of jewelry.
Just for you or your loved one. We make it fun and enjoyable.
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Estate Planning & Appraisal

When it comes to your jewelry estate planning, allow us to utilize our experience and know-how to assess, formulate, and execute the plan to benefit the estate.
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Meet the Founders

Jaime Polk and Katherine Rosenberg-Pineau

We are two women, collaborating, utilizing our love of jewelry and industry knowledge to benefit our customers. 

The world is changing around us. 21C stands for 21st century. We believe in creating and recreating sustainable jewelry to last a lifetime. Our passion is jewelry, how it makes us feel good and beautiful, how it lives on from generation to generation.
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Portfolio Highlights

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We turn your unique style into your personal design.

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Are you ready to reimagine your jewelry?

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