Gems, Jewelry and Precious Metals
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![[Used] K18WG NO-HEAT RUBY RING Mozambique Origin Unheated Ruby Ring R2.00ct D1.05ct GRS Certificate 4.3g #13.5](http://koufuku.jp/cdn/shop/files/DSC_2042.jpg?v=1761633610&width=480)
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![[Used] PT900 RUBY Ruby Ring R1.56ct D1.01ct 8.3g #13](http://koufuku.jp/cdn/shop/files/2000000017211_2.jpg?v=1759735437&width=480)
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![[Pre-owned] 18K Yellow Gold Ruby Ring, R0.92ct, D1.45ct, 8.3g, #16](http://koufuku.jp/cdn/shop/files/DSC_2031.jpg?v=1761632769&width=480)
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![[Used] PT900 RUBY RING Ruby Ring R0.45ct D0.24ct 5.8g #7](http://koufuku.jp/cdn/shop/files/2000000017730_2.jpg?v=1759735437&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)
![[Used] PT850 RUBY Ruby Ring R0.53ct D0.83ct 5.3g #12](http://koufuku.jp/cdn/shop/files/2000000018690_2.jpg?v=1759735437&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)
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![[Pre-owned] K18WG RUBY Unheated Ruby Ring, R1.08ct, D0.89ct, AIGS Pigeon Blood, 4.1g, #12.5](http://koufuku.jp/cdn/shop/files/2000000034508_3.jpg?v=1759735437&width=480)
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![[Pre-owned] 18K Yellow Gold RUBY Ruby and Diamond Ring, R0.19ct, D0.12ct, 4.2g, #12](http://koufuku.jp/cdn/shop/files/DSC_2005.jpg?v=1761632346&width=480)
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![[Used] PT900 RUBY Ruby Ring, R1.18ct, D0.41ct, 7.2g, #12](http://koufuku.jp/cdn/shop/files/2000000011608_2.jpg?v=1759735437&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 Pink Sapphire Ring, PS 2.12ct, D 1.20ct, 6.9g, #11.5](http://koufuku.jp/cdn/shop/files/DSC_2017.jpg?v=1761632587&width=480)
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![[Pre-owned] 18K Yellow Gold Ruby and Diamond Ring, R 0.69ct, D 0.05ct, 4.5g, #12](http://koufuku.jp/cdn/shop/files/DSC_2029.jpg?v=1775189217&width=480)
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![[Pre-owned] K18WG RUBY Ruby Ring R1.73ct D0.1 7ct.4.0g #11.5](http://koufuku.jp/cdn/shop/files/DSC_2057.jpg?v=1761633954&width=480)
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![[Pre-owned] 18K Yellow Gold Ruby and Diamond Ring, R2.75ct, D0.75ct, 10.0g, #11.5](http://koufuku.jp/cdn/shop/files/DSC_2014.jpg?v=1761632530&width=480)
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![[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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