SUWA
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Company
President Michio Yokokawa
Our mission is to allow people throughout the world to enjoy the beauty of gemstones and experience the comfort that wearing them brings, and to create personal adornments 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 contribute to your enjoyment of gemstone-oriented jewelry.
Chairman Yasukazu Suwa
 
Company Name Suwa and Son Inc.
Address 1-1-8, Hirakawacyo, Chiyoda-ku, Tokyo, 102-0093, Japan
Phone 81-3-5216-2811
Capital 247,500,000 yen
CEO Michio Yokokawa (President)
Main Bank Bank of Tokyo Mitsubishi UFJ, Kyobashi branch
Shareholders Y. Suwa, Bank of Tokyo Mitsubishi UFJ, Mitsui-Sumitomo Bank, Chuo Mitsui Trust Bank
Offices Main: Chiyoda-ku, Tokyo
USA Office: New Jersey
No. of Employees
16 (G.I.A. G.G. 5)
G.G. = Graduate Gemologist
 
SUWA Gemstone-Oriented Jewelry Sales
SUWA gemstone-oriented jewelry is sold in department stores and jewelry specialty stores in Japan and guild type jewelry stores in the United States at 38 stores in 22 metoropolitan areas.
Loose (Unmounted) Stone Sales
Loose diamonds and colored stones are procured from cutting centers around the world and sold to manufacturers and retailers. Beauty and defects are personally confirmed by our buyers to judge quality. Through years of experience, we have accumulated knowledge of the beauty and defects of various types of gems and an understanding of market prices, allowing us to provide high-quality loose stones.
OEM Manufacture of Gemstone-Oriented Jewelry
As OEM supplier of jewelry for major brands in Japan and the United States, we are recognized for our ability to supply materials and for our production skills.
Coral Blue Jewelers
Coral Blue Jewelers
Manufacture and sale of jewelry that maximizes the beauty of gemstones such as pink coral. Beginning with the opening of our store in the Odaiba Hotel Nikko Tokyo in July 2001, we are continuing with development of in-store marketing with jewelry specialty stores in Japan.
Jewelry Remodeling
O&R (Order and Remodel)
The order and remodel business allows longer use of valuable gems by taking jewelry items that have become obsolete in style or inappropriate for the owners’ age through the passage of time and remaking them into new designs.
Intermediary for Consumer-to-Consumer Jewelry Sales
ho-seki.com
This is an intermediary service for consumer-to-consumer jewelry sales. SUWA evaluates jewelry and assigns a selling price. Items for sale are posted, and purchases are arranged, through our Internet site, ho-seki.com.
 
Time Line