Showing 1787 products
![[Pre-owned] PT900 JADEITE Ring J3.34ct D0.73ct 9.4g #13](http://koufuku.jp/cdn/shop/files/2000000014531_2.jpg?v=1766219023&width=480)
![[Pre-owned] PT900 JADEITE Ring J5.606ct D0.11ct with Sorting Certificate, 6.5g, Size 10](http://koufuku.jp/cdn/shop/files/2000000126142_3.jpg?v=1766219023&width=480)
![[Pre-owned] PT900 KUNZITE RING Kunzite 12.91ct, Diamond 0.14ct, 16.1g, Size 13](http://koufuku.jp/cdn/shop/files/2000000134567_2.jpg?v=1785995937&width=480)
![[Pre-owned] PT900 Kunzite Ring, Kunzite 10.01ct, Diamond 0.34ct, with JGGC Mini Appraisal, 10.2g, Size 12.5](http://koufuku.jp/cdn/shop/files/2000000085883_3.jpg?v=1752392449&width=480)
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![[Pre-owned] PT900 Lavender Jadeite Ring, D0.60ct, 8.3g, Size 10.5](http://koufuku.jp/cdn/shop/files/2000000115726_2.jpg?v=1762391139&width=480)
![[Pre-owned] PT900 MEXICO OPAL RING MO5.71ct D0.31ct 8.2g #10](http://koufuku.jp/cdn/shop/files/2000000072036_2.jpg?v=1768197670&width=480)
![[Pre-owned] PT900 MEXICO OPAL RING OP5.92ct D0.73ct with GRJ Sorting 12.8g Size 13](http://koufuku.jp/cdn/shop/files/2000000029870_2.jpg?v=1766219022&width=480)
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![[Pre-owned] PT900 MEXICO OPAL Ring 4.45ct 6.7g #11](http://koufuku.jp/cdn/shop/files/2000000005591_2.jpg?v=1765877332&width=480)
![[Pre-owned] PT900 MEXICO OPAL Ring, D0.20ct, 8.3g, #9](http://koufuku.jp/cdn/shop/files/2000000102085_2.jpg?v=1765877331&width=480)
![[Pre-owned] PT900 MEXICO OPAL Ring D0.41ct 10.5g #15](http://koufuku.jp/cdn/shop/files/2000000029382_2.jpg?v=1766219022&width=480)
![[Pre-owned] PT900 MEXICO OPAL Ring D0.471ct 6.9g #11.5](http://koufuku.jp/cdn/shop/files/2000000072067_2.jpg?v=1752392547&width=480)
![[Pre-owned] PT900 MEXICO OPAL Ring, MO2.73ct, D6p, 5.8g, #10.5](http://koufuku.jp/cdn/shop/files/2000000029689_2.jpg?v=1752392450&width=480)
![[Pre-owned] PT900 MEXICO OPAL Ring OP1.59ct D0.22ct 5.8g #11](http://koufuku.jp/cdn/shop/files/2000000029542_2.jpg?v=1767586070&width=480)
![[Pre-owned] PT900 MEXICO OPAL Ring 4.3g #10](http://koufuku.jp/cdn/shop/files/2000000014838_2.jpg?v=1786331455&width=480)
![[Pre-owned] PT900 MEXICO OPAL Ring D1.05ct 11.7g #16](http://koufuku.jp/cdn/shop/files/2000000020433_2.jpg?v=1752392529&width=480)
![[Pre-owned] PT900 MEXICO OPAL Ring, MO6.27ct D1.35ct, 15.0g, Size 15](http://koufuku.jp/cdn/shop/files/2000000024004_2.jpg?v=1766219023&width=480)
![[Pre-owned] PT900 MEXICO OPAL Ring OP1.76ct D0.59ct 5.9g #12](http://koufuku.jp/cdn/shop/files/2000000094670_2.jpg?v=1766219021&width=480)
![[Pre-owned] PT900 MEXICO OPAL Ring OP1.89ct D0.41ct 6.9g #10](http://koufuku.jp/cdn/shop/files/2000000014548_2.jpg?v=1766219023&width=480)
![[Pre-owned] PT900 MEXICO OPAL Ring OP11.1ct D0.36ct 11.9g #10](http://koufuku.jp/cdn/shop/files/2000000000978_2.jpg?v=1766219021&width=480)
![[Pre-owned] PT900 Mexican Opal Ring, OP2.05ct D0.66ct 9.4g #12](http://koufuku.jp/cdn/shop/files/2000000068657_2.jpg?v=1766219021&width=480)
![[Pre-owned] PT900 Mexico Opal Ring OP2.19ct D0.21ct 6.1g #11](http://koufuku.jp/cdn/shop/files/2000000029672_2.jpg?v=1766219022&width=480)
![[Pre-owned] PT900 MEXICO OPAL Ring OP2.70ct D0.39ct 8.2g #15](http://koufuku.jp/cdn/shop/files/2000000015378_2.jpg?v=1766219023&width=480)
![[Pre-owned] PT900 MEXICO OPAL Ring OP4.53ct D0.22ct with NGL Appraisal, 7.6g, Size #9](http://koufuku.jp/cdn/shop/files/2000000064611_3.jpg?v=1766219022&width=480)
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![[Pre-owned] PT900 MEXICO OPAL Ring OP6.40ct D0.54ct with Sorting, 10.9g, Size #19](http://koufuku.jp/cdn/shop/files/2000000017143_3.jpg?v=1766219023&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)