Gems, Jewelry and Precious Metals
Showing 1707 products
![[Pre-owned] 18K Yellow Gold Ruby & Diamond Ring, R0.16ct, D0.50ct, 6.1g, #9](http://koufuku.jp/cdn/shop/files/2000000047072_2.jpg?v=1760667250&width=480)
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![[Pre-owned] K18YG GARNET Ring 1.18ct D0.03ct 4.9g #10](http://koufuku.jp/cdn/shop/files/2000000047027_2.jpg?v=1760667250&width=480)
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![[Used] PT950 Black Opal Ring, BO1.21ct, D1.11ct, 8.9g, #11.5](http://koufuku.jp/cdn/shop/files/2000000004471_2.jpg?v=1760667250&width=480)
![[Used] PT900/K18YG Garnet Ring 3.5g #7](http://koufuku.jp/cdn/shop/files/2000000037677_2.jpg?v=1760667270&width=480)
![[Used] K18WG SAPPHIRE RING Sapphire Ring CGL Sorting 3.6g #12.5](http://koufuku.jp/cdn/shop/files/2000000090146_3.jpg?v=1760678193&width=480)
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![[Used] K18WG SAPPHIRE RING S2.45ct D0.62ct 4.7g #13.5](http://koufuku.jp/cdn/shop/files/2000000045610_2.jpg?v=1760678193&width=480)
![[Pre-owned] K18WG SAPPHIRE Sapphire Ring, S1.83ct, D0.29ct, 3.1g, #12](http://koufuku.jp/cdn/shop/files/2000000036700_2.jpg?v=1760678193&width=480)
![[Pre-owned] K18WG SAPPHIRE Sapphire Ring, S0.975ct, D0.45ct, with sorting, 2.5g, #13](http://koufuku.jp/cdn/shop/files/2000000089096_3.jpg?v=1760678193&width=480)
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![[Used] PT900 Emerald Ring, E2.02ct, D1.69ct, 10g](http://koufuku.jp/cdn/shop/files/2000000011394_2.jpg?v=1760678193&width=480)
![[Used] K18WG STAR SAPPHIRE RING Star Sapphire Ring SS5.86ct D0.17ct 3.7g #13.5](http://koufuku.jp/cdn/shop/files/2000000050461_2.jpg?v=1760678192&width=480)
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![[Pre-owned] K18WG STAR SAPPHIRE Ring, SS 2.632ct, D 0.22ct, 2.7g, #13.5](http://koufuku.jp/cdn/shop/files/2000000050409_2.jpg?v=1760678193&width=480)
![[Pre-owned] K18WG SAPPHIRE Sapphire Ring, S1.18ct, D0.58ct, 3.3g, #12.5](http://koufuku.jp/cdn/shop/files/2000000094342_2.jpg?v=1760678193&width=480)
![[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)
![[Used] K18YG SAPPHIRE RING S0.76ct D0.28ct 9.1g #13](http://koufuku.jp/cdn/shop/files/2000000106724_2.jpg?v=1760678193&width=480)
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![[Used] K18WG STAR SAPPHIRE RING SS4.67ct D0.15ct 3.6g #13](http://koufuku.jp/cdn/shop/files/2000000050331_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)
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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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