Showing 1787 products
![[Pre-owned] K18WG Grossular Garnet Ring 1.20ct D0.34ct with Sorting 6.6g](http://koufuku.jp/cdn/shop/files/2000000140902_3.jpg?v=1789034374&width=480)
![[Pre-owned] K18WG Garnet Orange & Green Garnet Pendant Necklace 2.40ct 1.05ct D0.63ct 7.7g](http://koufuku.jp/cdn/shop/files/2000000066332_2.jpg?v=1765175629&width=480)
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![[Pre-owned] K18WG Garnet Ring G3.12ct D0.45ct 8.6g #12](http://koufuku.jp/cdn/shop/files/2000000065717_2.jpg?v=1766219022&width=480)
![[Pre-owned] K18WG 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 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 RING Pink Sapphire Ring 1.050ct D0.34ct 7.3g #11](http://koufuku.jp/cdn/shop/files/2000000026770_2.jpg?v=1779349366&width=480)
![[Pre-owned] K18WG 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 J1.848ct D0.45ct 3.3g #13](http://koufuku.jp/cdn/shop/files/DSC_2017_4fb5fad3-f7e6-487b-8003-3bd300b7ab85.jpg?v=1775188961&width=480)
![[Pre-owned] K18WG JADEITE RING J12.11ct D0.04ct 7.3g #16](http://koufuku.jp/cdn/shop/files/2000000040035_2.jpg?v=1771665041&width=480)
![[Used] K18WG JADEITE RING J14.90ct D0.12ct 9.9g #13.5](http://koufuku.jp/cdn/shop/files/2000000125985_2.jpg?v=1771814676&width=480)
![[Pre-owned] 18K White Gold Jadeite Ring J17.13ct D3.40ct 17.2g #14](http://koufuku.jp/cdn/shop/files/2000000093550_2.jpg?v=1771665153&width=480)
![[Pre-owned] K18WG JADEITE RING J2.19ct D0.32ct 2.3g #12.5](http://koufuku.jp/cdn/shop/files/2000000036748_2.jpg?v=1768197671&width=480)
![[Pre-owned] K18WG JADEITE RING 2.341ct D0.43ct 3.4g #13](http://koufuku.jp/cdn/shop/files/2000000040820_2.jpg?v=1768197669&width=480)
![[Pre-owned] K18WG Jadeite Ring J2.71ct D0.38ct 4.6g #13](http://koufuku.jp/cdn/shop/files/2000000039909_2.jpg?v=1768806608&width=480)
![[Pre-owned] K18WG JADEITE RING 3.222ct Diamond 0.34ct 3.2g Size 13](http://koufuku.jp/cdn/shop/files/2000000039428_2.jpg?v=1768806608&width=480)
![[Pre-owned] K18WG JADEITE RING 5.73ct, Diamond 0.57ct, 5.6g, Size 13](http://koufuku.jp/cdn/shop/files/2000000034430_2.jpg?v=1768806607&width=480)
![[Pre-owned] 18K White Gold 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 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 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 Ring, J2.633ct, D0.60ct, 5.5g, Size 13](http://koufuku.jp/cdn/shop/files/2000000040738_2.jpg?v=1762391181&width=480)
![[Pre-owned] K18WG 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 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 Ring J3.726ct D0.57ct 5.3g #13.5](http://koufuku.jp/cdn/shop/files/2000000040141_2.jpg?v=1760667250&width=480)
KOUFUKU is an e-commerce site that offers a wide range of products, including jewelry, precious metals, designer bags, designer watches, designer apparel, and tableware. In addition to retail sales, we also provide purchase services.
![[Pre-owned] MITSUKOSHI K18YG Ruby & Diamond Ring R0.79ct D0.82ct 7.8g #12.5](http://koufuku.jp/cdn/shop/files/2000000145907_2.jpg?v=1788151913&width=480)
![[Used] PT900 NO HEAT SAPPHIRE RING Sri Lankan Unheated Sapphire Ring S5.40ct D1.19ct GIA Certificate 10.4g #11.5](http://koufuku.jp/cdn/shop/files/2000000133799_3.jpg?v=1777881348&width=480)
![Used] K18YG ENAMEL PENDANT NECKLACE 13.4g](http://koufuku.jp/cdn/shop/files/2000000134116_2.jpg?v=1778489330&width=480)