Our Company

Our mission is to create personal adornments that allow people in Japan and throughout the world to enjoy the beauty of gemstones and to experience the comfort that wearing them brings, and that are worthy of being passed down from one generation to the next.

Gemstones are entrusted to our care by Nature. Each and every one is endowed with its own rich and unique character. It is our hope that this website will be of assistance to all people who enjoy gemstone-oriented jewelry.

Yasukazu Suwa, Chairman

Yasukazu Suwa, Chairman

Michio Yokokawa, President

Michio Yokokawa, President

Company Profile

NameSuwa and Son Inc.
Address1-1-8, Hirakawacyo, Chiyoda-ku, Tokyo, 102-0093, Japan
CEOMichio Yokokawa (President)
Capital100,000,000 yen
Main BankMUFG Bank, Kyobashi branch
OfficesMain: Chiyoda-ku, Tokyo
USA Office: California

Scope of Business

SUWA Gemstone-Oriented Jewelry Sales

SUWA's gemstone-oriented jewelry is sold in department stores and jewelry specialty stores in Japan, and overseas in fine jewelry stores, mainly in the United States, at 29 stores in 15 metropolitan areas.

Loose (Unmounted) Stone Sales

Loose (unmounted) diamonds and colored stones are procured from cutting centers around the world and wholesaled to manufacturers and retailers. Beauty and the presence of defects are personally confirmed by our buyers to judge quality. Using knowledge acquired through years of experience to confirm the beauty and imperfections of each type of gemstone, and applying our understanding of gemstone market conditions, allows us to provide loose stones of the finest quality.

OEM Manufacture of Gemstone-Oriented Jewelry

As an OEM supplier of jewelry for major brands in Japan and the United States, SUWA is recognized for our ability to procure component materials and for our exceptional manufacturing techniques.