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NEXT EVENT: May, 2022 - NYC- Fundraiser for Ukraine and NYC Children. Collective show with the following artisans:

Joseph Ramsay

Maia Merav Holtzman

Leen Heyne

Andrea Capello

Molly Findlay

Vanessa Fernández

Duffy

David Charles Frank

-Appointments at The Cornell Club NYC on Friday, May 13th-

-Party in Nyack at a private residence on Saturday, May 14th-

Please get in touch for an appointment at  (+1-510-556-6443), or email cate@thesisgems.com.

Leen Heyne X Thesis Collaboration

Invest in jewelry that you believe in

Philanthropy is at our core. We donate to The Sierra Club, WIRES Wildlife Rescue, Partners in Health, Doctors Without Borders, No Kid Hungry, Better Without Mercury, Mercury Free Mining, Amazon Aid, Navajo Nation Health, among other organizations. 

Let jewelry symbolize something powerful for you

We wish you a year of love- not only for others but also for yourself. Express gratitude for what you've learned. We invite you to celebrate your failures as opportunities for growth, and to honor your understanding. Choose jewelry for yourself this year.