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![[Pre-owned] 18K White Gold Colombian Emerald Ring, E1.05ct, D0.36ct, GRS 5.1g, #13.5](http://koufuku.jp/cdn/shop/files/2000000089621_3.jpg?v=1767585886&width=480)
![[Used] K18WG GARNET Ring G3.12ct D0.45ct 8.6g #12](http://koufuku.jp/cdn/shop/files/2000000065717_2.jpg?v=1766219022&width=480)
![[Used] K18WG GARNET Green Garnet Ring GG0.45ct D0.25ct 5.2g #12](http://koufuku.jp/cdn/shop/files/2000000075143_2.jpg?v=1744892545&width=480)
![[Pre-owned] K18WG GOLDEN PEARL White Butterfly Pearl Ring, 11.5mm, D0.95ct, S0.08ct, 8.0g, #12](http://koufuku.jp/cdn/shop/files/2000000044477_2.jpg?v=1765877331&width=480)
![[Used] K18WG IROISHI colored stone necklace 13.647ct D1.08ct 60.6g](http://koufuku.jp/cdn/shop/files/2000000049076_2.jpg?v=1765161777&width=480)
![[Pre-owned] K18WG JADEITE RING Jadeite Ring Jadeite 1.848ct Diameter 0.45ct 3.3g #13](http://koufuku.jp/cdn/shop/files/2000000040783_2.jpg?v=1768806607&width=480)
![[Pre-owned] K18WG JADEITE RING Jadeite Ring Jadeite 2.19ct Diameter 0.32ct 2.3g #12.5](http://koufuku.jp/cdn/shop/files/2000000036748_2.jpg?v=1768197671&width=480)
![[Pre-owned] K18WG JADEITE RING Jadeite Ring Jadeite 2.341ct Diameter 0.43ct 3.4g #13](http://koufuku.jp/cdn/shop/files/2000000040820_2.jpg?v=1768197669&width=480)
![[Pre-owned] K18WG JADEITE RING Jadeite Ring Jadeite 2.71ct Diameter 0.38ct 4.6g #13](http://koufuku.jp/cdn/shop/files/2000000039909_2.jpg?v=1768806608&width=480)
![[Used] K18WG JADEITE RING Jadeite Ring Jadeite 3.222ct Diameter 0.34ct 3.2g #13](http://koufuku.jp/cdn/shop/files/2000000039428_2.jpg?v=1768806608&width=480)
![[Used] K18WG JADEITE RING Jadeite Ring Jadeite 5.73ct Diameter 0.57ct 5.6g #13](http://koufuku.jp/cdn/shop/files/2000000034430_2.jpg?v=1768806607&width=480)
![[Pre-owned] K18WG Jadeite Jadeite Ring, J11.99ct, D0.37ct, 7.4g, #12.5](http://koufuku.jp/cdn/shop/files/2000000034577_2.jpg?v=1762391104&width=480)
![[Pre-owned] K18WG Jadeite Jadeite Ring J2.051ct D0.77ct 6.4g #14](http://koufuku.jp/cdn/shop/files/2000000040776_2.jpg?v=1760667250&width=480)
![[Pre-owned] K18WG Jadeite Jadeite Ring J2.53ct D0.43ct 5.0g #13.5](http://koufuku.jp/cdn/shop/files/2000000045856_2.jpg?v=1766219022&width=480)
![[Pre-owned] K18WG Jadeite Jadeite Ring J2.633ct D0.60ct 5.5g #13](http://koufuku.jp/cdn/shop/files/2000000040738_2.jpg?v=1762391181&width=480)
![[Pre-owned] K18WG Jadeite Jadeite Ring J2.77ct D0.10ct 2.6g #13.5](http://koufuku.jp/cdn/shop/files/2000000036649_2.jpg?v=1762397785&width=480)
![[Pre-owned] K18WG Jadeite Jadeite Ring J3.56ct D0.48ct 6.2g #15.5](http://koufuku.jp/cdn/shop/files/2000000044125_2.jpg?v=1762391104&width=480)
![[Pre-owned] K18WG Jadeite Jadeite Ring J3.726ct D0.57ct 5.3g #13.5](http://koufuku.jp/cdn/shop/files/2000000040141_2.jpg?v=1760667250&width=480)
![[Pre-owned] K18WG Jadeite Jadeite Ring J4.04ct D0.57ct 5.4g #13](http://koufuku.jp/cdn/shop/files/2000000040745_2.jpg?v=1752392568&width=480)
![[Pre-owned] K18WG Jadeite Jadeite Ring, Jadeite 4.55ct, Dadeite 0.37ct, GGS So #18.5, 10.1g](http://koufuku.jp/cdn/shop/files/2000000035727_3.jpg?v=1753249893&width=480)
![[Pre-owned] K18WG Jadeite Jadeite Ring J4.69ct D0.88ct 6.0g #13](http://koufuku.jp/cdn/shop/files/2000000042824_2.jpg?v=1760667250&width=480)
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.
![[Used] PT900 SAPPHIRE RING Sapphire Ring S2.57ct D1.51ct 14.3g #15](http://koufuku.jp/cdn/shop/files/2000000071954_2.jpg?v=1768882396&width=480)
![[Pre-owned] MIKIMOTO PT950 ALEXANDRITE RING, A 0.42ct, D 0.62ct, 6.1g, #15, ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000123844_3.jpg?v=1768882396&width=480)
