Showing 1801 products
![[Pre-owned] K18YG RUBY Ruby Ring R0.65ct 5.8g #13.5](http://koufuku.jp/cdn/shop/files/2000000044200_2.jpg?v=1749178071&width=480)
![[Used] PT900 PINK SAPPHIRE RING Pink Sapphire Ring PS1.00ct PS0.67ct D1.091ct 6.1g #12](http://koufuku.jp/cdn/shop/files/2000000087276_2.jpg?v=1749178071&width=480)
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![[Pre-owned] K18 RUBY Ruby Ring R1.19ct D0.82ct 4.8g #10.5](http://koufuku.jp/cdn/shop/files/2000000039800_2.jpg?v=1749175383&width=480)
![[Used] K18YG RUBY Ruby Ring 6.6g #8](http://koufuku.jp/cdn/shop/files/2000000078335_2.jpg?v=1746252745&width=480)
![[Used] K18YG RUBY Ruby Ring R0.30ct D0.71ct 3.0g #9.5](http://koufuku.jp/cdn/shop/files/2000000073101_2.jpg?v=1753147302&width=480)
![[Used] K18YG RUBY Ruby Ring R2.52ct D0.39ct 7.4g #13](http://koufuku.jp/cdn/shop/files/2000000071435_8.jpg?v=1749695656&width=480)
![[Used] K18YG RUBY Ruby Ring R0.50ct D0.22ct 3.7g #10.5](http://koufuku.jp/cdn/shop/files/2000000085166_2.jpg?v=1746252612&width=480)
![[Used] K10YG RUBY Ruby Ring D0.10ct 1.3g #9](http://koufuku.jp/cdn/shop/files/2000000071299_2.jpg?v=1746252600&width=480)
![[Used] K18YG SAPPHIRE Sapphire Ring S1.00ct D0.94ct 7.0g #14.5](http://koufuku.jp/cdn/shop/files/2000000077444_2.jpg?v=1746252111&width=480)
![[Used] K18YG RUBY Ruby Ring R1.39ct D0.50ct 5.6g #11](http://koufuku.jp/cdn/shop/files/2000000077437_2.jpg?v=1746252099&width=480)
![[Used] K18YG SAPPHIRE RING S1.01ct D0.57ct 5.3g #8](http://koufuku.jp/cdn/shop/files/2000000069159_2.jpg?v=1746252087&width=480)
![[Used] K18YG SAPPHIRE Sapphire Ring S0.25ct D0.44ct 4.8g #11](http://koufuku.jp/cdn/shop/files/2000000071978_2.jpg?v=1750926454&width=480)
![[Used] K18YG SAPPHIRE RING S0.73ct D0.38ct 7.0g #12](http://koufuku.jp/cdn/shop/files/2000000071961_2.jpg?v=1746252065&width=480)
![[Used] K18YG SAPPHIRE Sapphire Ring S1.42ct D0.92ct 7.2g #15](http://koufuku.jp/cdn/shop/files/DSC_1999.jpg?v=1775180486&width=480)
![[Used] K18YG SAPPHIRE Sapphire Ring S0.46ct D0.46ct 4.1g #9.5](http://koufuku.jp/cdn/shop/files/2000000068718_2.jpg?v=1751002561&width=480)
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![[Used] K18YG RUBY Ruby Ring R1.30ct D0.90ct 7.0g #8](http://koufuku.jp/cdn/shop/files/2000000037875_2.jpg?v=1746252009&width=480)
![[Pre-owned] K18YG RUBELLITE TOURMALINE RING, 1.69ct, D0.02ct, 5.2g, #12](http://koufuku.jp/cdn/shop/files/2000000069968_9.jpg?v=1746249882&width=480)
![[Used] PT900 SPINEL Red Spinel Ring RS2.75ct D0.63ct Central Gem Laboratory Identification 7.7g #12](http://koufuku.jp/cdn/shop/files/2000000069876_3.jpg?v=1746249870&width=480)
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![[Used] K18YG RUBY Ruby Ring R1.18ct D0.27ct 3.8g #5](http://koufuku.jp/cdn/shop/files/2000000043586_2.jpg?v=1746249845&width=480)
![[Used] PT900 RUBY Ruby Ring R0.56ct D0.30ct 5.8g #8](http://koufuku.jp/cdn/shop/files/26640_01.jpg?v=1751706024&width=480)
![[Used] PT850 RUBY Ruby Ring R0.50ct D0.16ct Central Gem Laboratory Sorting 2.6g #12](http://koufuku.jp/cdn/shop/files/9902_01.jpg?v=1751706134&width=480)
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![Used] K18YG ENAMEL PENDANT NECKLACE 13.4g](http://koufuku.jp/cdn/shop/files/2000000134116_2.jpg?v=1778489330&width=480)
![[Used] PT1000/PT900 BLACK OPAL NECKLACE Black Opal Pendant Necklace BO7.57ct D1.34ct 10.7g](http://koufuku.jp/cdn/shop/files/2000000112718_2.jpg?v=1771816794&width=480)
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