Showing 1648 products
![[Used] PT900/K18YG DIAMOND Ring 0.426ct 3.1g #7](http://koufuku.jp/cdn/shop/files/2000000099286_2.jpg?v=1765877331&width=480)
![[Pre-owned] PT900/K18YG Emerald Ring Emerald 1.97ct D0.17ct 9.8g #16](http://koufuku.jp/cdn/shop/files/2000000037479_2.jpg?v=1766824686&width=480)
![[Pre-owned] PT900/K18YG ONYX Ring, D0.44, Certificate of Authenticity, 13.8g, #12](http://koufuku.jp/cdn/shop/files/2000000025896_3.jpg?v=1766801414&width=480)
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![[Pre-owned] PT900/K18YG RUBY RING Ruby Ring R1.16ct D1.64ct 8.0g #8](http://koufuku.jp/cdn/shop/files/2000000043456_2.jpg?v=1768444828&width=480)
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![[Used] PT900/K18YG TOURMALINE Pink Tourmaline Ring T1.86ct D0.41ct #10 6.0g](http://koufuku.jp/cdn/shop/files/2000000079127_2.jpg?v=1778737724&width=480)
![[Used] PT900/K18YG Garnet Ring 3.5g #7](http://koufuku.jp/cdn/shop/files/2000000037677_2.jpg?v=1760667270&width=480)
![[Pre-owned] PT900/PT850 Diamond Pendant Necklace 0.429ct D0.41ct 4.3g](http://koufuku.jp/cdn/shop/files/2000000021973_2.jpg?v=1765161777&width=480)
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![[Used] PT900 OPAL Black Opal Ring, BO 3.74ct, D 0.14ct, 7.4g, #17](http://koufuku.jp/cdn/shop/files/2000000016795_2.jpg?v=1763176059&width=480)
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![[Pre-owned] PT950 BLACK OPAL Black Opal Ring, BO4.57ct, D2.74ct, 9.5g, #11.5](http://koufuku.jp/cdn/shop/files/2000000031125_2.jpg?v=1763176059&width=480)
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Recommended Items![[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)
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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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