Ring Sizer


Ring Sizer


Diamond Foundry created

Drop a Hint

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Free US shipping

Description and design details

Our ring sizer is a simple and reliable tool to help you quickly determine your ring size with complimentary US shipping. Our ring sizers measure at around 4.5mm thick. Please keep this in mind when sizing for rings that are thinner or thicker.


Shipping and returns

No middlemen

Our diamonds come directly from our own foundry, with no middlemen or their markups involved.

True sustainability

Grown with the power of America’s Columbia River, our diamonds are created by Diamond Foundry, the world’s only diamond producer with a zero carbon footprint. Cut & polished internationally in our own workshops, our craftsmen deliver Excellent+ cuts for maximum brilliance.

Refined designs

Refined to the very last detail, our designers create fine jewelry that spotlight your diamond first and foremost. With a desire to do things differently, we only work with the highest quality materials and reimagine timeless designs.

Enjoy complimentary shipping and returns on all US orders.
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