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![[Pre-owned] K18WG DIAMOND pendant necklace D0.09ct 2.3g](http://koufuku.jp/cdn/shop/files/2000000055794_2.jpg?v=1765161776&width=480)
![[Pre-owned] K18WG DIAMOND pendant necklace D1.08ct 6.3g](http://koufuku.jp/cdn/shop/files/2000000021317_2.jpg?v=1763176024&width=480)
![[Used] K18WG DIAMOND Diamond Ring 0.321ct D0.16ct 4.0g #14](http://koufuku.jp/cdn/shop/files/2000000037301_2.jpg?v=1750923953&width=480)
![[Pre-owned] K18WG DIAMOND Diamond Ring 0.55ct D1.50ct 9.6g #13.5](http://koufuku.jp/cdn/shop/files/2000000039336_2.jpg?v=1750923953&width=480)
![[Used] K18WG DIAMOND Diamond Ring D0.35ct 2.0g #11](http://koufuku.jp/cdn/shop/files/2000000099309_2.jpg?v=1750923953&width=480)
![[Used] K18WG DIAMOND Diamond Ring D0.45ct 5.4g #12](http://koufuku.jp/cdn/shop/files/2000000053318_2.jpg?v=1765877332&width=480)
![[Used] K18WG DIAMOND Ring D0.55ct 5.1g #10.5](http://koufuku.jp/cdn/shop/files/2000000047331_2.jpg?v=1750923953&width=480)
![[Used] K18WG DIAMOND Diamond Ring D0.60ct 6.1g #11](http://koufuku.jp/cdn/shop/files/2000000053509_2.jpg?v=1766219023&width=480)
![[Used] K18WG DIAMOND Ring D0.70ct 3.8g #11.5](http://koufuku.jp/cdn/shop/files/2000000053394_2.jpg?v=1750923953&width=480)
![[Used] K18WG DIAMOND Diamond Ring D1.37ct 9.8g #5](http://koufuku.jp/cdn/shop/files/2000000039831_2.jpg?v=1750923953&width=480)
![[Used] K18WG DIAMOND Diamond Ring D1.56ct 6.0g #8](http://koufuku.jp/cdn/shop/files/2000000039084_2.jpg?v=1750923954&width=480)
![[Used] K18WG DIAMOND Diamond Ring D1.95ct 7.1g #12](http://koufuku.jp/cdn/shop/files/2000000039015_2.jpg?v=1766221258&width=480)
![[Pre-owned] K18WG Emerald Ring with CGL sorting, 19.1g, #9.5](http://koufuku.jp/cdn/shop/files/2000000072944_3.jpg?v=1766992784&width=480)
![[Pre-owned] K18WG Emerald Cat's Eye Ring, E0.95ct, D0.42ct, 3.0g, #14](http://koufuku.jp/cdn/shop/files/2000000038384_2.jpg?v=1762391103&width=480)
![[Pre-owned] K18WG Emerald Ring E0.85ct D0.42ct 2.7g #10.5](http://koufuku.jp/cdn/shop/files/2000000036205_2.jpg?v=1750401687&width=480)
![[Pre-owned] K18WG Emerald Ring E0.886ct D0.58ct 4.0g #12.5](http://koufuku.jp/cdn/shop/files/2000000042855_2.jpg?v=1750401688&width=480)
![[Used] K18WG Emerald Ring E0.921ct D0.15ct 2.5g #13](http://koufuku.jp/cdn/shop/files/2000000045290_2.jpg?v=1767585997&width=480)
![[Pre-owned] K18WG Emerald Ring, E1.18ct, D0.65ct, 4.3g, #11.5](http://koufuku.jp/cdn/shop/files/2000000069746_2.jpg?v=1767585991&width=480)
![[Pre-owned] K18WG Emerald Ring, E1.28ct, D0.75ct, 4.9g, #13.5](http://koufuku.jp/cdn/shop/files/2000000039176_2.jpg?v=1762316313&width=480)
![[Pre-owned] K18WG Emerald Ring E1.43ct D0.80ct 6.7g #14.5](http://koufuku.jp/cdn/shop/files/2000000094687_2.jpg?v=1767585888&width=480)
![[Used] K18WG Emerald Ring E1.51ct D0.55ct 4.1g #10.5](http://koufuku.jp/cdn/shop/files/2000000044644_2.jpg?v=1762316313&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)
