Showing 1288 products
![[Used] K18YG DIAMOND Diamond Ring D1.00 #11](http://koufuku.jp/cdn/shop/files/73590_01.jpg?v=1743400609&width=480)
![[Used] K18YG DIAMOND Ring D1.00ct 4.0g #11](http://koufuku.jp/cdn/shop/files/2000000053165_2.jpg?v=1762397785&width=480)
![[Used] 18K Yellow Gold Diamond Ring, 1.04ct, 0.53ct, 7.7g, #11.5](http://koufuku.jp/cdn/shop/files/2000000073606_2.jpg?v=1765877332&width=480)
![[Used] K18YG DIAMOND Ring D1.13ct 4.3g #12.5](http://koufuku.jp/cdn/shop/files/2000000039596_2.jpg?v=1752392593&width=480)
![[Used] 18K Yellow Gold Diamond Ring, 1.26ct, 9.7g, #13.5](http://koufuku.jp/cdn/shop/files/2000000025438_2.jpg?v=1752392578&width=480)
![[Used] K18YG Gold Earrings 8.2g](http://koufuku.jp/cdn/shop/files/2000000131719_2.jpg?v=1771312893&width=480)
![[Used] K18YG EMERALD Necklace with sorting, 8.5g](http://koufuku.jp/cdn/shop/files/2000000115313_3.jpg?v=1765161777&width=480)
![[Used] K18YG Emerald Ring Emerald 0.48ct E0.30ct D0.28ct 4.5g #14](http://koufuku.jp/cdn/shop/files/2000000127521_2.jpg?v=1768808620&width=480)
![[Pre-owned] 18K Yellow Gold Emerald and Ruby Ring, E0.45ct, R0.42ct, 6.3g, #10](http://koufuku.jp/cdn/shop/files/2000000070568_2.jpg?v=1767585888&width=480)
![[Pre-owned] 18K Yellow Gold Emerald Brooch/Pendant Necklace, E3.45ct, D0.19ct, 8.5g](http://koufuku.jp/cdn/shop/files/2000000106779_2.jpg?v=1762397785&width=480)
![[Used] K18YG Emerald Ring 2.6g #12](http://koufuku.jp/cdn/shop/files/2000000040998_2.jpg?v=1762397786&width=480)
![[Used] 18K Yellow Gold Emerald Ring with Diamond, 7.6g, #13](http://koufuku.jp/cdn/shop/files/2000000064086_2.jpg?v=1762391161&width=480)
![[Used] K18YG Emerald Ring E0.77ct D0.81ct 7.1g #13](http://koufuku.jp/cdn/shop/files/2000000053134_2.jpg?v=1762391139&width=480)
![[Pre-owned] 18K Yellow Gold Emerald Ring, E1.054ct, D0.75ct, NGL Certificate, 4.2g, #12](http://koufuku.jp/cdn/shop/files/2000000069852_3.jpg?v=1762391181&width=480)
![[Pre-owned] 18K Yellow Gold Emerald Ring, E0.25ct, D0.81ct, 7.2g, #12](http://koufuku.jp/cdn/shop/files/2000000116471_2.jpg?v=1766801414&width=480)
![[Pre-owned] 18K Yellow Gold Emerald and Diamond Eternity Ring, E0.22ct, D0.31ct, 2.1g, #11](http://koufuku.jp/cdn/shop/files/2000000099675_2.jpg?v=1767585887&width=480)
![[Pre-owned] K18YG Emerald and Diamond Ring, E0.56ct, D0.75ct, 8.0g, #15](http://koufuku.jp/cdn/shop/files/2000000040257_2.jpg?v=1762391100&width=480)
![[Pre-owned] 18K Yellow Gold Emerald Pendant Necklace, E1.55ct, D0.24ct, 9.1g](http://koufuku.jp/cdn/shop/files/2000000106113_2.jpg?v=1765161865&width=480)
![[Used] K18YG Emerald Ring 4.5g #10](http://koufuku.jp/cdn/shop/files/2000000070919_2.jpg?v=1752392450&width=480)
![[Used] 18K Yellow Gold Emerald Ring, E0.17ct, D0.26ct, 4.5g, #11](http://koufuku.jp/cdn/shop/files/2000000052984_2.jpg?v=1762391100&width=480)
![[Used] 18K Yellow Gold Emerald Ring, E0.34ct, D1.16ct, 9.7g, #15](http://koufuku.jp/cdn/shop/files/2000000069678_2.jpg?v=1762397786&width=480)
![[Used] 18K Yellow Gold Emerald Ring, E0.92ct, CGL 9.4g, #10](http://koufuku.jp/cdn/shop/files/2000000071442_3.jpg?v=1752392578&width=480)
![[Used] 18K Yellow Gold Emerald Ring, E2.44ct, D0.63ct, 5.8g, #10](http://koufuku.jp/cdn/shop/files/2000000040967_2.jpg?v=1762391104&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.
![[Pre-owned] 18K Yellow Gold Emerald Ring, E2.57ct, D0.70ct, 7.3g, #11.5](http://koufuku.jp/cdn/shop/files/2000000040233_2.jpg?v=1767585996&width=480)
![[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)
