Gems, Jewelry and Precious Metals
Showing 1854 products
![[Used] PT900 Diamond Ring 0.402 D0.67ct 7.7g #16.5](http://koufuku.jp/cdn/shop/files/2000000012452_2.jpg?v=1767585887&width=480)
![[Pre-owned] 18K Yellow Gold Emerald and Ruby Ring, E0.45ct, R0.42ct, 6.3g, #10](http://koufuku.jp/cdn/shop/files/2000000070568_2.jpg?v=1767585888&width=480)
![[Used] PT900 Emerald Ring, E2.43ct, D0.72ct, 7.4g, #9](http://koufuku.jp/cdn/shop/files/2000000089683_2.jpg?v=1767585888&width=480)
![[Used] PT900 Emerald Ring E3.73ct D0.39ct 6.6g #12](http://koufuku.jp/cdn/shop/files/2000000015422_2.jpg?v=1767585887&width=480)
![[Pre-owned] PT900 Alexandrite Ring, A0.22ct, D0.39ct, with sorting, 5.0g, #12.5](http://koufuku.jp/cdn/shop/files/2000000017693_3.jpg?v=1767585888&width=480)
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![[Used] K18WG Emerald Ring E1.72ct D0.71ct 4.8g #12](http://koufuku.jp/cdn/shop/files/2000000077246_2.jpg?v=1767585887&width=480)
![[Used] PT900 SAPPHIRE Sapphire Ring, S3.42ct, D0.59ct, 8.5g, #19.5](http://koufuku.jp/cdn/shop/files/2000000084817_2.jpg?v=1767585888&width=480)
![[Used] PT900 GARNET Ring D0.17ct 6.8g #11](http://koufuku.jp/cdn/shop/files/2000000088761_2.jpg?v=1767585958&width=480)
![[Pre-owned] PT900 RUBY Burmese Ruby Ring, R1.53ct, D0.55ct, GIA, 5.4g](http://koufuku.jp/cdn/shop/files/2000000015972_3.jpg?v=1767585957&width=480)
![[Used] PT900 Garnet Rhodolite Garnet Ring, G2.41ct, D0.11ct, CGL Sorting, 4.2g, #12.5](http://koufuku.jp/cdn/shop/files/2000000007397_3.jpg?v=1767585958&width=480)
![[Pre-owned] K18YG SAPPHIRE RING S1.18ct D0.71ct 7.0g #17](http://koufuku.jp/cdn/shop/files/2000000125633_2.jpg?v=1767585964&width=480)
![[Pre-owned] Mitsukoshi PT900 Jadeite Ring, Jadeite 3.74ct, Diameter 1.92ct, GRJ Sorting, 12.6g, #8](http://koufuku.jp/cdn/shop/files/2000000125442_3.jpg?v=1767585965&width=480)
![[Used] PT900 Jadeite Ring, Jadeite 9.14ct, Diameter 0.25ct, CGL Sorting, 11.2g, #30](http://koufuku.jp/cdn/shop/files/2000000009261_3.jpg?v=1767585964&width=480)
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![[Used] PT900 Jadeite Ring, Jadeite 3.74ct, Diameter 1.21ct, GRJ Sorting, 9.6g, #12](http://koufuku.jp/cdn/shop/files/2000000000657_3.jpg?v=1767585964&width=480)
![[Used] PT900 Jadeite Jadeite Ring, D0.72ct, CGL Sorting, 8.3g, #11](http://koufuku.jp/cdn/shop/files/2000000126180_3.jpg?v=1767585969&width=480)
![[Pre-owned] 18K Yellow Gold Ruby Ring, R 0.62ct, D 0.15ct, 7.7g, #21](http://koufuku.jp/cdn/shop/files/2000000124698_2.jpg?v=1767585969&width=480)
![[Used] PT900 Jadeite Jadeite Ring D0.69ct 7.6g #13](http://koufuku.jp/cdn/shop/files/2000000125961_2.jpg?v=1767585969&width=480)
![[Used] 18K Yellow Gold Ruby Ring, 9.2g, #14](http://koufuku.jp/cdn/shop/files/2000000126579_2.jpg?v=1767585974&width=480)
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Recommended Items![[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)
![[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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