three x seven jewelry

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Sustainably made

three x seven

Look good, feel good

Dicosvery Now
New Collection

Color of life

Be stylish, think the earth

Dicosvery Now

Asuka Saito of three x seven

Born in Sapporo/Hokkaido, Japan. Moved to the U.S. in 2005. While attending San Francisco State University, she studied psychology, color science, and gemology. While gaining experience at a jewelry store in San Francisco, she learned the basics of jewelry metal smithing under Alan Revere and Nyya Lark, and obtained jewelry professional certifications from the Gemological Institute of America. She later began creating her original designs, she has received international design awards, her interviews and works have been featured in international design media and exhibited in all over the world. She has also been participated on a panel as a jury in international design competition since 2017. In 2020, she became completely independent and started her own business. She launched “three x seven jewelry”, a sustainable fashion jewelry brand used materials with the low environmental load, natural or recycled or ethically sourced materials for sustainable social change and tackle the social issues such as biodiversity, ocean pollution, deforestation, natural resource depletion, greenhouse gases, education, health, poverty, and working conditions. We are not only pursuing our own profits, but are also trying to be able to be part of the solution to the world's various environmental and social issues.


Help Jewelers for Children

Jewelers for Children was founded in 1999 by the U.S. jewelry industry with the mission of helping children in need. Since its inception, JFC has donated more than $57 million to programs benefiting children whose lives have been affected by illness, abuse, or neglect through their charity partners. We donate some percentage of the sales price to the JFC.

Make a difference

three x seven jewelry ON INSTAGRAM