Showing 1787 products
![[Pre-owned] K18YG DIAMOND Necklace Moving Diamond Pendant Necklace D0.565ct 11.9g](http://koufuku.jp/cdn/shop/files/2000000108513_2.jpg?v=1765161865&width=480)
![[Used] K18YG DIAMOND RING Octagonal Cut Diamond Ring 1.232ct D0.733ct 7.5g #16](http://koufuku.jp/cdn/shop/files/2000000068275_2.jpg?v=1771814674&width=480)
![[Pre-owned] K18YG DIAMOND RING D2.00ct 12.6g #17](http://koufuku.jp/cdn/shop/files/2000000145020_2.jpg?v=1788154629&width=480)
![[Pre-owned] K18YG DIAMOND RING Diamond Reversible Heart Charm Ring D0.32ct 5.4g #12](http://koufuku.jp/cdn/shop/files/2000000145914_2.jpg?v=1789029129&width=480)
![[Pre-owned] K18YG DIAMOND RING D1.20ct 6.0g #11.5](http://koufuku.jp/cdn/shop/files/2000000021324_2.jpg?v=1771665669&width=480)
![[Pre-owned] K18YG DIAMOND RING 0.327ct H-color VVS2 Good D0.50ct CGL Certified 1.8g #11.5](http://koufuku.jp/cdn/shop/files/2000000038216_3.jpg?v=1765161777&width=480)
![[Used] K18YG DIAMOND RING 0.339ct D Color VS1 Class Very Good Cut CGL Sorting 2.2g #12](http://koufuku.jp/cdn/shop/files/2000000027494_2.jpg?v=1766801414&width=480)
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![[Used] K18YG DIAMOND RING 0.43ct D1.02ct 7.0g #12](http://koufuku.jp/cdn/shop/files/2000000134192_2.jpg?v=1779421643&width=480)
![[Used] K18YG DIAMOND RING 0.638ct D0.67ct 7.2g #12.5](http://koufuku.jp/cdn/shop/files/2000000134185_2.jpg?v=1779423198&width=480)
![[Used] K18YG DIAMOND RING Diamond Ring 0.709ct D0.90ct 7.2g #11](http://koufuku.jp/cdn/shop/files/2000000117256_2.jpg?v=1771814675&width=480)
![[Used] K18YG DIAMOND RING Diamond Ring 3.5g #9.5](http://koufuku.jp/cdn/shop/files/2000000037950_2.jpg?v=1771814807&width=480)
![[Used] K18YG DIAMOND RING D0.20ct 7.6g #9.5](http://koufuku.jp/cdn/shop/files/2000000129815_2.jpg?v=1771814675&width=480)
![[Used] K18YG DIAMOND RING D0.35ct 5.5g #10](http://koufuku.jp/cdn/shop/files/2000000131634_2.jpg?v=1771814785&width=480)
![[Used] K18YG DIAMOND RING D0.51ct 6.6g #8](http://koufuku.jp/cdn/shop/files/2000000131443_2.jpg?v=1771814764&width=480)
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![[Pre-owned] K18YG DIAMOND RING 0.52ct 7.6g #11](http://koufuku.jp/cdn/shop/files/2000000046990_2.jpg?v=1771665162&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)
![Used] K18YG ENAMEL PENDANT NECKLACE 13.4g](http://koufuku.jp/cdn/shop/files/2000000134116_2.jpg?v=1778489330&width=480)