Gems, Jewelry and Precious Metals
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![[Used] K18YG DIAMOND Ring D0.90ct 2.9g #13](http://koufuku.jp/cdn/shop/files/69364_01.jpg?v=1743141972&width=480)
![[Used] Pt900 Aquamarine Ring A2.20ct D0.40ct 10.0g #12 CGL sorting included](http://koufuku.jp/cdn/shop/files/2000000054551_8.jpg?v=1742268292&width=480)
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KOUFUKU is an e-commerce site that handles a wide range of products, from jewelry and precious metals to brand bags, brand watches, brand apparel, and tableware. In addition to sales, we also offer a purchase service.