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![[Pre-owned] PT900 Diamond Men's Ring, D0.43ct, 18.9g, #17](http://koufuku.jp/cdn/shop/files/2000000106366_2.jpg?v=1766219043&width=480)
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![[Used] PT900 DIAMOND Ring D0.15ct 4.5g #8](http://koufuku.jp/cdn/shop/files/2000000033600_2.jpg?v=1765877331&width=480)
![[Used] PT900 DIAMOND Ring D0.27ct 9.1g #19](http://koufuku.jp/cdn/shop/files/2000000007199_2.jpg?v=1766219043&width=480)
![[Used] PT900 DIAMOND Ring D0.31ct 5.3g #12](http://koufuku.jp/cdn/shop/files/2000000009438_2.jpg?v=1763175991&width=480)
![[Used] PT900 DIAMOND Ring D0.75ct 6.0g #15](http://koufuku.jp/cdn/shop/files/2000000107028_2.jpg?v=1767586001&width=480)
![[Used] PT900 DIAMOND Ring D0.83ct 6.4g #8](http://koufuku.jp/cdn/shop/files/2000000087191_2.jpg?v=1766219022&width=480)
![[Used] PT900 DIAMOND Ring D1.00ct 6.3g #12](http://koufuku.jp/cdn/shop/files/2000000087818_2.jpg?v=1760667249&width=480)
![[Used] PT900 DIAMOND Princess Cut Diamond Ring D1.30ct 6.2g #10](http://koufuku.jp/cdn/shop/files/2000000085920_2.jpg?v=1752392450&width=480)
![[Used] PT900 DIAMOND V-shaped ring D0.80ct 4g #11](http://koufuku.jp/cdn/shop/files/2000000010021_2.jpg?v=1765012877&width=480)
![[Pre-owned] PT900 Diamond Ring 0.250ct D0.13ct CGL Certified 1.7g #9](http://koufuku.jp/cdn/shop/files/2000000020143_3.jpg?v=1765877448&width=480)
![[Used] PT900 Diamond Ring 0.30ct D0.16ct 4.3g #11.5](http://koufuku.jp/cdn/shop/files/2000000101712_2.jpg?v=1750923952&width=480)
![[Used] PT900 Diamond Ring 0.31ct 5.0g #10](http://koufuku.jp/cdn/shop/files/2000000018263_2.jpg?v=1750923952&width=480)
![[Used] PT900 DIAMOND Ring 0.356ct D0.10 3g #11](http://koufuku.jp/cdn/shop/files/2000000112725_2.jpg?v=1763176025&width=480)
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![[Used] PT900 Diamond Ring 0.83ct D1.95ct 9.9g #11](http://koufuku.jp/cdn/shop/files/2000000025650_2.jpg?v=1750923953&width=480)
![[Used] PT900 Diamond Ring 3.019ct D0.45ct 6.5g #9](http://koufuku.jp/cdn/shop/files/DSC_2014_994554b8-725c-4e59-811f-f3f8329adec4.jpg?v=1775188842&width=480)
![[Used] PT900 Diamond Ring, D0.25ct, 5.4g, #12.5, Certified](http://koufuku.jp/cdn/shop/files/2000000106359_3.jpg?v=1763175991&width=480)
![[Used] PT900 DIAMOND Ring D0.27ct 5.7g #10](http://koufuku.jp/cdn/shop/files/2000000009193_2.jpg?v=1765163848&width=480)
![[Used] PT900 DIAMOND Ring D0.44ct 15.1g #14](http://koufuku.jp/cdn/shop/files/2000000124421_2.jpg?v=1766219119&width=480)
![[Used] PT900 Diamond Ring D0.77ct D0.30ct 7.3g #13](http://koufuku.jp/cdn/shop/files/2000000086163_2.jpg?v=1752392450&width=480)
![[Used] PT900 DIAMOND Ring D1.00ct 4.9g #13](http://koufuku.jp/cdn/shop/files/2000000009629_2.jpg?v=1750923952&width=480)
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