Showing 1964 products
![[Pre-owned] T&Co. Tiffany PT950 Diamond Solitaire Ring 0.24ct 3.3g #7 ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000006710_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] K18WG Pink Sapphire Ring, PS2.07ct, D0.45ct, with Appraisal Report, 5.6g, Size 12.5](http://koufuku.jp/cdn/shop/files/2000000025889_3.jpg?v=1766219023&width=480)
![[Pre-owned] K18WG Black Opal Ring BO7.89ct D0.47ct 6.7g #14.5](http://koufuku.jp/cdn/shop/files/2000000034225_2.jpg?v=1766219023&width=480)
![[Pre-owned] K18YG Golden Pearl Ring 12.1mm D0.47ct 8.5g #12](http://koufuku.jp/cdn/shop/files/2000000041124_2.jpg?v=1766219022&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] K18YG South Sea White Pearl Ring P12.3mm D1.50ct 17.8g #13.5](http://koufuku.jp/cdn/shop/files/2000000056586_2.jpg?v=1766219022&width=480)
![[Pre-owned] PT900 Opal Ring OP9.59ct 12.2g #11.5](http://koufuku.jp/cdn/shop/files/2000000029610_2.jpg?v=1766219023&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] K18WG SAPPHIRE Ring S0.95ct D0.27ct 4.4g #13.5](http://koufuku.jp/cdn/shop/files/2000000126050_2.jpg?v=1766219023&width=480)
![[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] 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 OP7.76ct D0.49ct 8.3g #12.5](http://koufuku.jp/cdn/shop/files/2000000064284_2.jpg?v=1766219022&width=480)
![[Pre-owned] K18WG JADEITE Ring J2.53ct D0.43ct 5.0g #13.5](http://koufuku.jp/cdn/shop/files/2000000045856_2.jpg?v=1766219022&width=480)
![[Pre-owned] K18WG Black Opal Ring, BO 1.211ct, D 0.31ct, 4.1g, Size 13.5](http://koufuku.jp/cdn/shop/files/2000000045238_2.jpg?v=1766219022&width=480)
![[Pre-owned] K18WG Kunzite Ring K6.60ct D0.20ct 9.20g #10.5](http://koufuku.jp/cdn/shop/files/2000000043876_2.jpg?v=1766219022&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 Mexican Opal Cat's Eye Ring, OC1.10ct D0.33ct, with appraisal report, 5.1g, size 12.5](http://koufuku.jp/cdn/shop/files/2000000026893_3.jpg?v=1766219023&width=480)
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![[Pre-owned] PT900 Burmese Ruby Ring, R1.31ct, D1.463ct, with GIA Report, 9.2g, Size 10.5](http://koufuku.jp/cdn/shop/files/2000000015460_4.jpg?v=1766219022&width=480)
![[Pre-owned] K18YG/WG Mexico Opal Ring OP5.53ct D0.493ct 8.6g #18](http://koufuku.jp/cdn/shop/files/2000000120980_2.jpg?v=1766219022&width=480)
![[Pre-owned] K18YG Golden Pearl Ring P12.0mm D0.60ct 11.3g #12](http://koufuku.jp/cdn/shop/files/2000000040158_2.jpg?v=1766219022&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 MEXICO OPAL Ring OP7.06ct D1.53ct 16.0g #14](http://koufuku.jp/cdn/shop/files/2000000005553_2.jpg?v=1766219022&width=480)
![[Pre-owned] K18WG Garnet Ring G3.12ct D0.45ct 8.6g #12](http://koufuku.jp/cdn/shop/files/2000000065717_2.jpg?v=1766219022&width=480)
KOUFUKU is an e-commerce site that offers a wide range of products, including jewelry, precious metals, designer bags, designer watches, designer apparel, and tableware. In addition to retail sales, we also provide purchase services.
![[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)