Showing 1787 products
![[Pre-owned] K18YG Emerald Pendant Necklace E1.55ct D0.24ct 9.1g](http://koufuku.jp/cdn/shop/files/2000000106113_2.jpg?v=1765161865&width=480)
![[Pre-owned] K18YG Emerald Ring 4.5g #10](http://koufuku.jp/cdn/shop/files/2000000070919_2.jpg?v=1752392450&width=480)
![[Pre-owned] K18YG Emerald Ring E0.17ct D0.26ct 4.5g #11](http://koufuku.jp/cdn/shop/files/DSC_1990_6a68f3bf-17a7-400d-80f6-f2ab14af4719.jpg?v=1775180286&width=480)
![[Pre-owned] K18YG Emerald Ring E0.34ct D1.16ct 9.7g #15](http://koufuku.jp/cdn/shop/files/2000000069678_2.jpg?v=1762397786&width=480)
![[Pre-owned] K18YG Emerald Ring E0.92ct with CGL Report 9.4g #10](http://koufuku.jp/cdn/shop/files/2000000071442_3.jpg?v=1752392578&width=480)
![[Pre-owned] K18YG Emerald Ring E2.57ct D0.70ct 7.3g #11.5](http://koufuku.jp/cdn/shop/files/2000000040233_2.jpg?v=1767585996&width=480)
![[Pre-owned] K18YG Emerald & Diamond Ring 6.1g #12.5](http://koufuku.jp/cdn/shop/files/2000000052861_2.jpg?v=1762391100&width=480)
![[Pre-owned] K18YG Emerald & Diamond Ring E1.03ct D2.45ct 7.0g #13](http://koufuku.jp/cdn/shop/files/2000000019895_2.jpg?v=1750923957&width=480)
![[Pre-owned] K18YG Emerald & Sapphire Ring E2.30ct S0.28ct D0.14ct 8.0g #8](http://koufuku.jp/cdn/shop/files/2000000071091_2.jpg?v=1762391161&width=480)
![Used] K18YG ENAMEL PENDANT NECKLACE 13.4g](http://koufuku.jp/cdn/shop/files/2000000134116_2.jpg?v=1778489330&width=480)
![[Pre-owned] K18YG GARNET Ring 1.18ct D0.03ct 4.9g #10](http://koufuku.jp/cdn/shop/files/2000000047027_2.jpg?v=1760667250&width=480)
![[Pre-owned] K18YG Garnet Ring G1.26ct D0.61ct 6.7g #17.5](http://koufuku.jp/cdn/shop/files/2000000071763_2.jpg?v=1765012878&width=480)
![[Pre-owned] K18YG Garnet Ring G5.24ct D0.05ct 7.8g #13.5](http://koufuku.jp/cdn/shop/files/2000000095950_2.jpg?v=1765012877&width=480)
![[Pre-owned] K18YG GOLDEN PEARL RING South Sea Golden Pearl Ring P13.5mm D0.11ct 17.8g #11](http://koufuku.jp/cdn/shop/files/2000000077383_2.jpg?v=1771665668&width=480)
Sold Out
![[Pre-owned] K18YG Golden Pearl Ring 12.0mm D0.38ct 7.7g #11.5](http://koufuku.jp/cdn/shop/files/2000000040493_2.jpg?v=1750401687&width=480)
![[Pre-owned] K18YG GOLDEN PEARL Ring 12.9mm D0.50ct 9.5g #11.5](http://koufuku.jp/cdn/shop/files/57309_01.jpg?v=1750402127&width=480)
![[Pre-owned] K18YG Golden Pearl Ring P12.0mm D0.60ct 11.3g #12](http://koufuku.jp/cdn/shop/files/2000000040158_2.jpg?v=1766219022&width=480)
![[Pre-owned] K18YG Golden Pearl Ring 12.1mm D0.47ct 8.5g #12](http://koufuku.jp/cdn/shop/files/2000000041124_2.jpg?v=1766219022&width=480)
![[Used] K18YG Green Garnet Ring GG0.48ct D0.31ct 7.1g #16.5](http://koufuku.jp/cdn/shop/files/2000000134765_2.jpg?v=1779430419&width=480)
![[Pre-owned] K18YG IROISHI Diamond Ring D0.41 1g #12.5](http://koufuku.jp/cdn/shop/files/2000000089560_2.jpg?v=1771665108&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] K18YG JADEITE RING, Jadeite 2.313ct, Diamond 1.02ct, CGL Sorting, 5.2g, Size 13](http://koufuku.jp/cdn/shop/files/2000000093338_3.jpg?v=1768197671&width=480)
![[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)
