KUWAYAMA CORPORATION is principally engaged in the manufacturing, processing and sale of various jewelry products. The Company operates in three segments. The Bare Metal-related Jewelry segment is engaged in the manufacture, processing and sale of necklaces, bracelets and rings mainly made from gold and platinum. The Diamond-related segment is engaged in the purchase and sale of diamonds in both domestic and overseas markets, the operation of jewelry salon DIADDICT that specializing in expensive diamonds, as well as trend survey and information collection of diamond and jewelry market. The Others segment is engaged in the purchase, processing and sale of pearls.

Kuwayama Corp

Takahiro Kuwayama

Shigeru Matsuura

Kuwayama Corp

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