NIWAKA Jewelry

This page applies to NIWAKA jewelry and high jewelry.

For the FAQ on our bridal rings, please visit the NIWAKA Online Store

Precious Metals

Can I wear this jewelry even if I have a metal allergy?

NIWAKA aims to create jewelry that as many people as possible can wear with peace of mind. During the development and crafting stages, we endeavor to minimize the probability that any item will cause an allergic reaction. Please note that we do not disclose the specific metal composition of our jewelry. *NIWAKA engagement and wedding rings do not include nickel or other metals that are known as especially likely to cause allergic reactions. *Since metal allergies differ from person to person, we cannot guarantee that no one will develop an allergic reaction. If you experience any discomfort or abnormal skin reaction while wearing your jewelry, please stop using it.

What precious metals are used in NIWAKA jewelry?

Please tell me about NIWAKA's white gold, yellow gold, rose gold and platinum.

Ring Sizes

What ring sizes are available at NIWAKA?


In the Terms of Use, it is stated that “NIWAKA makes no warranty that the photographs appearing on the Website accurately depict any actual item”. What exactly does this mean?