Showing 182 products
![[Used] 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] 18K Yellow Gold 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] 18K Yellow Gold 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 OPAL Cantera Opal Ring, OP 6.47ct, D 0.04ct, 8.2g, #14](http://koufuku.jp/cdn/shop/files/2000000076782_2.jpg?v=1760667249&width=480)
![[Pre-owned] K18WG Jadeite 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, OP 4.30ct, D 0.59ct, 11.9g, #11](http://koufuku.jp/cdn/shop/files/2000000011325_2.jpg?v=1760667250&width=480)
![[Pre-owned] 18K Yellow Gold 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 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 Opal Ring, OP 2.44ct, D 0.20ct, 3.0g, #13](http://koufuku.jp/cdn/shop/files/2000000036854_2.jpg?v=1760667249&width=480)
![[Used] 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)
![[Used] PT850 RUBY Ruby Ring R0.53ct D0.83ct 5.3g #12](http://koufuku.jp/cdn/shop/files/2000000018690_2.jpg?v=1759735437&width=480)
![[Used] PT900 SAPPHIRE Ring, S1.90ct, D0.57ct, Nihon Hokkyo, 7.9g, #11](http://koufuku.jp/cdn/shop/files/2000000015071_3.jpg?v=1759990506&width=480)
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![[Used] PT900 Jadeite Jadeite Ring, Jadeite 1.96ct, Dadeite 0.43ct, CGL Sorting #12.5, 7.9g](http://koufuku.jp/cdn/shop/files/2000000035680_3.jpg?v=1753249893&width=480)
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![[Pre-owned] K18/PT850 RUBY Ruby Ring, R0.41ct, D0.18ct, 5.0g, #12](http://koufuku.jp/cdn/shop/files/2000000068473_2.jpg?v=1751698229&width=480)
![[Used] Les Essentielles K18WG DIAMOND RING 3.5g #16](http://koufuku.jp/cdn/shop/files/2000000010465_2.jpg?v=1750923953&width=480)
![[Pre-owned] K18WG DIAMOND Diamond Full Eternity Ring D3.25ct 4.8g #13](http://koufuku.jp/cdn/shop/files/2000000069326_2.jpg?v=1750472223&width=480)
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![Used] K18YG ENAMEL PENDANT NECKLACE 13.4g](http://koufuku.jp/cdn/shop/files/2000000134116_2.jpg?v=1778489330&width=480)
![[Used] PT1000/PT900 BLACK OPAL NECKLACE Black Opal Pendant Necklace BO7.57ct D1.34ct 10.7g](http://koufuku.jp/cdn/shop/files/2000000112718_2.jpg?v=1771816794&width=480)
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