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Ring Sizer Tool

the design

Not sure about your ring size? We've got you covered! Use one of these handy tools to determine your ring size without having to visit a jewelry store in person. Simply follow the instructions on the envelope, and adjust the sizer accordingly. 

Currently we only ship within the United States.


The Specs

Includes a sizer tool and instructions. 

our policy

Shipped via USPS. 

Sizers are also available for free with ring purchase. Simply add a note when checking out and we'll mail you a sizer to confirm your measurements before getting your ring into production.

Have a Question? Let us help!

Our Jewelry Ethos

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Everyday Fine

Fine jewelry shouldn’t be reserved for special occasions like the fine china that only comes out at holidays. We encourage our clients to invest in unique, high-end but wearable pieces that will last a lifetime.

Love Your Bones

We treasure the “old bones” of a one-of-a-kind heirloom piece and the meaning that comes along with it. Nothing excites us more than thoughtfully working with our client to reimagine something so special.

Sparkle With Substance

We foster a culture that values careful collecting over having just to have. Our uniquely sourced stones and distinct shapes are intended to bring people together and help them create something that’s theirs.

Learn more about Marrow