What is permanent jewelry?

Permanent jewelry is where high-quality meets low-maintenance.

It is sometimes referred to as flash, fused, or infinity jewelry. At sisu, we work with 14k filled gold & sterling silver that is custom fit to you. Instead of a clasp, the piece is micro-welded for a seamless look.

*Solid gold available per request, please reach out to us directly for more info*


Where do I get this done?

Currently, we are a mobile service offering in-home & pop up events. The beauty of this is we come to you!

Does it hurt?

Not at all! It’s a simple zap of light, you won’t feel a thing.

Do I need to make an appointment?

For appointments, please email us at sisujewelryco@gmail.com or come meet us at a pop up event!

What types of private events do you do?

Permanent jewelry makes a great add on to any event. Some examples of events we do are bachelorette parties, bridal showers, birthdays, graduations, baby showers, bridal brunches, and girls night outs.

What if my chain breaks?

For a minimalist appearance, we work with very delicate chains. If your chain breaks, hold on to it & email us. We can repair it for a $15 fee. Please note, we are not liable for lost chains.

What if I need to remove my chain for a medical reason?

Please hold onto your chain & email us. We will repair at no cost.

Will I be okay with TSA?


Is there an age restriction?

18 and under will need to be accompanied by a parent or guardian & sign a waiver.

about us

Sisu is the Finnish concept that every person possesses a level of fierce determination, willpower, and bravery that goes beyond what we think we are capable of when met with extreme adversity.

We all have the power to access such guts and grit to create a purposeful and passionate life, despite fear or uncertainty. It reminds us that anything is possible if you tap into the sisu within you.

We’ve taken this concept and applied it to our own lives. Two best friends who felt stuck, made some big scary changes, and are now creating lives of purpose that we are proud of. We tapped into the sisu within us, and we haven’t looked back.

Sisu Jewelry Co. is a permanent jewelry brand located in southern/seacoast New Hampshire, offering high-quality materials and a high-quality experience. Our jewelry is customized for you – for any and every person or occasion. We are available for in-home appointments, pop-ups, parties, and special events. You can also find us around the state at markets and festivals.

We can't wait to meet you.


Maura & Janna