Showing 1787 products
![[Used] PT900 DIAMOND RING D1.00ct 13.5g #14.5](http://koufuku.jp/cdn/shop/files/2000000133652_2.jpg?v=1777881349&width=480)
![[Pre-owned] PT900 DIAMOND RING D1.00ct 6.3g #12](http://koufuku.jp/cdn/shop/files/2000000133188_2.jpg?v=1771313065&width=480)
![[Pre-owned] PT900 DIAMOND RING D2.00ct 20.0g #9.5](http://koufuku.jp/cdn/shop/files/2000000145037_2.jpg?v=1789034234&width=480)
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![[Used] PT900 DIAMOND RUBY RING D2.25ct R0.24ct with Appraisal Report 15.9g #11.5](http://koufuku.jp/cdn/shop/files/2000000135083_3.jpg?v=1779351483&width=480)
![[Pre-owned] PT900 DIAMOND Bracelet D8.83ct 76.6g 19.5cm](http://koufuku.jp/cdn/shop/files/2000000016689_2.jpg?v=1768197669&width=480)
![[Pre-owned] PT900 Diamond V-line Ring D0.90ct 5.6g #12](http://koufuku.jp/cdn/shop/files/2000000048871_2.jpg?v=1767586001&width=480)
![[Pre-owned] PT900 DIAMOND V-line Ring D0.46ct 5.8g #12](http://koufuku.jp/cdn/shop/files/2000000121840_2.jpg?v=1767586014&width=480)
![[Pre-owned] PT900 Diamond V-line Ring 1.00ct 6.3g #15](http://koufuku.jp/cdn/shop/files/2000000087184_2.jpg?v=1752392450&width=480)
![[Pre-owned] PT900 Diamond V-shape Ring D1.03ct 5.5g #11](http://koufuku.jp/cdn/shop/files/2000000126067_2.jpg?v=1766219023&width=480)
![[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)
![[Pre-owned] PT900 Diamond Ring, 0.407ct, F Color, SI2 Clarity, Good Cut, D0.07ct, 7.6g, Size 20, with CGL Certificate](http://koufuku.jp/cdn/shop/files/2000000056524_3.jpg?v=1750401687&width=480)
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![[Pre-owned] PT900 DIAMOND Ring D0.15ct 4.5g #8](http://koufuku.jp/cdn/shop/files/2000000033600_2.jpg?v=1765877331&width=480)
![[Pre-owned] PT900 Diamond Ring D0.27ct 9.1g #19](http://koufuku.jp/cdn/shop/files/2000000007199_2.jpg?v=1766219043&width=480)
![[Pre-owned] PT900 Diamond Ring D0.31ct 5.3g #12](http://koufuku.jp/cdn/shop/files/2000000009438_2.jpg?v=1763175991&width=480)
![[Pre-owned] PT900 DIAMOND Ring D0.75ct 6.0g #15](http://koufuku.jp/cdn/shop/files/2000000107028_2.jpg?v=1767586001&width=480)
![[Pre-owned] PT900 DIAMOND Ring D0.83ct 6.4g #8](http://koufuku.jp/cdn/shop/files/2000000087191_2.jpg?v=1766219022&width=480)
![[Pre-owned] PT900 DIAMOND Ring D1.00ct 6.3g #12](http://koufuku.jp/cdn/shop/files/2000000087818_2.jpg?v=1760667249&width=480)
![[Pre-owned] PT900 DIAMOND Princess Cut Diamond Ring D1.30ct 6.2g #10](http://koufuku.jp/cdn/shop/files/2000000085920_2.jpg?v=1752392450&width=480)
![[Pre-owned] PT900 Diamond V-shape 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 with CGL Certificate, 1.7g, Size #9](http://koufuku.jp/cdn/shop/files/2000000020143_3.jpg?v=1765877448&width=480)
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![[Pre-owned] PT900 Diamond Ring 0.30ct D0.16ct 4.3g #11.5](http://koufuku.jp/cdn/shop/files/2000000101712_2.jpg?v=1750923952&width=480)
![[Pre-owned] PT900 Diamond Ring 0.31ct 5.0g #10](http://koufuku.jp/cdn/shop/files/2000000018263_2.jpg?v=1750923952&width=480)
![[Pre-owned] 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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![[Pre-owned] MITSUKOSHI K18YG Ruby & Diamond Ring R0.79ct D0.82ct 7.8g #12.5](http://koufuku.jp/cdn/shop/files/2000000145907_2.jpg?v=1788151913&width=480)
![[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)
![Used] K18YG ENAMEL PENDANT NECKLACE 13.4g](http://koufuku.jp/cdn/shop/files/2000000134116_2.jpg?v=1778489330&width=480)