Showing 184 products
![[Pre-owned] Dear Blossom SV/K18 Feather Design Ring 5.1g ONE PRICE #15.5](http://koufuku.jp/cdn/shop/files/2000000026671_2.jpg?v=1762391139&width=480)
![[Pre-owned] K18YG RUBY & DIAMOND Ring R1.20ct D0.23ct 4.6g #7.5](http://koufuku.jp/cdn/shop/files/2000000088013_2.jpg?v=1760667250&width=480)
![[Pre-owned] K18WG JADEITE Ring J4.69ct D0.88ct 6.0g #13](http://koufuku.jp/cdn/shop/files/2000000042824_2.jpg?v=1760667250&width=480)
![[Pre-owned] K18YG RUBY & DIAMOND Ring, R0.16ct D0.50ct, 6.1g, Size 9](http://koufuku.jp/cdn/shop/files/2000000047072_2.jpg?v=1760667250&width=480)
![[Pre-owned] PT900 Diamond Ring 1.002ct D VS1 Excellent D0.215ct with CGL Sorting, #12, 5.6g](http://koufuku.jp/cdn/shop/files/2000000078267_3.jpg?v=1760667250&width=480)
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![[Pre-owned] PT950 Tanzanite Ring T0.64ct D0.29ct 4.4g #11.5](http://koufuku.jp/cdn/shop/files/2000000037417_2.jpg?v=1760678193&width=480)
![[Pre-owned] K18YG Sapphire Ring S1.07ct D0.32ct 4.9g #17.5](http://koufuku.jp/cdn/shop/files/2000000104812_2.jpg?v=1760678193&width=480)
![[Pre-owned] K18YG Ruby Ring R1.01ct D2.00ct 6.5g #10.5](http://koufuku.jp/cdn/shop/files/DSC_2008.jpg?v=1761632400&width=480)
![[Pre-owned] K18YG Cantera Opal Ring OP6.47ct D0.04ct 8.2g #14](http://koufuku.jp/cdn/shop/files/2000000076782_2.jpg?v=1760667249&width=480)
![[Pre-owned] K18WG JADEITE Ring J3.726ct D0.57ct 5.3g #13.5](http://koufuku.jp/cdn/shop/files/2000000040141_2.jpg?v=1760667250&width=480)
![[Pre-owned] PT900 WHITE OPAL Ring OP4.30ct D0.59ct 11.9g #11](http://koufuku.jp/cdn/shop/files/2000000011325_2.jpg?v=1760667250&width=480)
![[Pre-owned] K18YG Sapphire Ring S1.16ct D1.21ct 7.2g #11.5](http://koufuku.jp/cdn/shop/files/2000000052892_2.jpg?v=1760667249&width=480)
![[Pre-owned] K18WG Aquamarine Ring AQ2.31ct D0.47ct 4.6g #14](http://koufuku.jp/cdn/shop/files/2000000045337_2.jpg?v=1760667250&width=480)
![[Pre-owned] K18WG White Opal Ring OP2.44ct D0.20ct 3.0g #13](http://koufuku.jp/cdn/shop/files/2000000036854_2.jpg?v=1760667249&width=480)
![[Pre-owned] K18WG Tanzanite Ring T2.89ct D0.44ct 3.8g #13](http://koufuku.jp/cdn/shop/files/2000000045375_3.jpg?v=1760667249&width=480)
![[Pre-owned] TASAKI K18WG Amethyst Ring D0.11ct 8.2g #12 ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000068855_2.jpg?v=1760608254&width=480)
![[Pre-owned] PT850 Ruby Ring R0.53ct D0.83ct 5.3g #12](http://koufuku.jp/cdn/shop/files/2000000018690_2.jpg?v=1759735437&width=480)
![[Pre-owned] PT900 SAPPHIRE Ring S1.90ct D0.57ct NGL Cert. 7.9g #11](http://koufuku.jp/cdn/shop/files/2000000015071_3.jpg?v=1759990506&width=480)
![[Pre-owned] PT900 Jadeite Ring J1.96ct D0.43ct CGL Sorting #12.5 7.9g](http://koufuku.jp/cdn/shop/files/2000000035680_3.jpg?v=1753249893&width=480)
![[Pre-owned] K18WG Unheated Sapphire Ring S1.98ct D0.40ct with GRS Certificate, 3.8g, Size 14](http://koufuku.jp/cdn/shop/files/2000000071190_4.jpg?v=1752392548&width=480)
![[Pre-owned] PT900 Thai Ruby Ring R1.22ct D0.65ct with GRS Certificate, 6.1g, Size 8](http://koufuku.jp/cdn/shop/files/2000000082400_4.jpg?v=1751698229&width=480)
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![[Pre-owned] K18WG Unheated Ruby Ring R1.09ct D0.26ct with AIGS Certificate, 3.5g, Size 13](http://koufuku.jp/cdn/shop/files/2000000035963_3.jpg?v=1751698229&width=480)
![[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)