Showing 122 products
![[Used] PT900 SAPPHIRE ring S0.40ct D0.27ct 4.2g #11](http://koufuku.jp/cdn/shop/files/21737_01.jpg?v=1743141710&width=480)
![[Used] PT900 SAPPHIRE ring S0.60ct D0.48ct 5.8g #9](http://koufuku.jp/cdn/shop/files/47980_01.jpg?v=1743141862&width=480)
![[Used] PT900 SAPPHIRE ring S0.97ct D0.45ct 4.4g #11](http://koufuku.jp/cdn/shop/files/71992_01.jpg?v=1743141901&width=480)
![[Used] PT900 SAPPHIRE Unheated Sapphire Ring S1.04ct D0.26ct 6g GIA Certificate of Origin](http://koufuku.jp/cdn/shop/files/2000000021751_3.jpg?v=1743403204&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)
![[Used] Pt900 Ruby Ring D0.15ct R0.17ct 10.2g #10.5](http://koufuku.jp/cdn/shop/files/13473_01_4ee0628a-3bc2-41b9-a004-efce4cc98be0.jpg?v=1743141413&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.