Showing 1644 products
![[Used] K18YG RUBY Ruby Ring R1.81ct D1.40ct GRJ Sorting 15.1g #13](http://koufuku.jp/cdn/shop/files/2000000069715_8.jpg?v=1745911847&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)
![[Pre-owned] 18K Yellow Gold Ruby Ring, R7.29ct, D2.17ct, Grade #8, 8.7g](http://koufuku.jp/cdn/shop/files/2000000035734_3.jpg?v=1753249893&width=480)
![[Pre-owned] 18K Yellow Gold Ruby Ring, R 0.354ct, D 1.08ct, 5.0g, #10](http://koufuku.jp/cdn/shop/files/2000000121871_2.jpg?v=1768197670&width=480)
![[Pre-owned] 18K Yellow Gold Ruby Ring, R 0.62ct, D 0.15ct, 7.7g, #21](http://koufuku.jp/cdn/shop/files/2000000124698_2.jpg?v=1767585969&width=480)
![[Used] 18K Yellow Gold Ruby Ring, 1.79ct R, 0.48ct D, 5.2g #16](http://koufuku.jp/cdn/shop/files/DSC_2035_f0d9386a-7356-4886-a585-bae73d041c1d.jpg?v=1761633128&width=480)
![[Pre-owned] 18K Yellow Gold Ruby & Diamond Ring, R2.16ct, D2.29ct, 20.7g, #20](http://koufuku.jp/cdn/shop/files/2000000105550_2.jpg?v=1768808641&width=480)
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![[Pre-owned] 18K Yellow Gold Ruby & Diamond Ring, R0.16ct, D0.50ct, 6.1g, #9](http://koufuku.jp/cdn/shop/files/2000000047072_2.jpg?v=1760667250&width=480)
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![[Used] K18YG RUBY RING Ruby Ring R1.42ct D0.08ct 3.7g #11](http://koufuku.jp/cdn/shop/files/2000000115504_2.jpg?v=1768808621&width=480)
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![[Pre-owned] 18K Yellow Gold Ruby Ring, R1.63ct, D0.32ct, 5.5g, #13.5](http://koufuku.jp/cdn/shop/files/2000000041063_2.jpg?v=1762391161&width=480)
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![[Pre-owned] 18K Yellow Gold Ruby Ring, R 0.61ct, D 0.38ct, 6.3g, #8](http://koufuku.jp/cdn/shop/files/2000000052793_2.jpg?v=1764915892&width=480)
![[Used] K18YG RUBY Ruby Ring D1.20ct 6.4g #11.5](http://koufuku.jp/cdn/shop/files/DSC_2026.jpg?v=1761632726&width=480)
![[Pre-owned] 18K Yellow Gold Ruby Ring, R 0.25ct, D 0.07ct, 2.2g, #8.5](http://koufuku.jp/cdn/shop/files/2000000086033_2.jpg?v=1752392450&width=480)
![[Pre-owned] 18K Yellow Gold Ruby Ring, R 0.27ct, D 0.08ct, 2.4g, #8](http://koufuku.jp/cdn/shop/files/2000000105581_2.jpg?v=1762391160&width=480)
![[Pre-owned] 18K Yellow Gold Ruby Ring, R 0.44ct, D 0.11ct, 4.4g, #11](http://koufuku.jp/cdn/shop/files/2000000009667_2.jpg?v=1759988719&width=480)
![[Pre-owned] 18K Yellow Gold Ruby Ring, R0.56ct, D1.00ct, 6.4g, #10.5](http://koufuku.jp/cdn/shop/files/DSC_2022.jpg?v=1761632678&width=480)
![[Pre-owned] 18K Yellow Gold Ruby Ring, R 0.58ct, D 0.62ct, 7.0g, #12.5](http://koufuku.jp/cdn/shop/files/2000000087900_2.jpg?v=1759988719&width=480)
![[Pre-owned] 18K Yellow Gold Ruby Ring, R 0.62ct, D 0.05ct, 2.0g, #6.5](http://koufuku.jp/cdn/shop/files/2000000105598_2.jpg?v=1762391161&width=480)
![[Pre-owned] 18K Yellow Gold Ruby Ring, R 0.65ct, D 0.80ct, 7.5g, #10](http://koufuku.jp/cdn/shop/files/2000000117508_2.jpg?v=1764915892&width=480)
![[Pre-owned] 18K Yellow Gold Ruby Ring, R 0.68ct, D 0.37ct, 7.4g, #12](http://koufuku.jp/cdn/shop/files/2000000108919_2.jpg?v=1762397786&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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