Gems, Jewelry and Precious Metals
Showing 1707 products
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![[Used] K18WG DIAMOND Ring D0.46ct 5.7g #14](http://koufuku.jp/cdn/shop/files/2000000053493_2.jpg?v=1765877332&width=480)
![[Pre-owned] K18WG SAPPHIRE Sapphire Ring, S1.88ct, D0.17ct, 2.8g, #13.5](http://koufuku.jp/cdn/shop/files/DSC_1984_a99171a3-6588-4001-bea2-0fed1d100c7f.jpg?v=1775180133&width=480)
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![[Pre-owned] K18WG RUBELLITE TOURMALINE (Red Tourmaline) Ring, T23.55ct, D0.70ct, 16.0g, #14](http://koufuku.jp/cdn/shop/files/2000000039169_2.jpg?v=1765877332&width=480)
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![[Used] PT900 Emerald Ring Emerald 1.00ct D0.12ct 5.6g #9](http://koufuku.jp/cdn/shop/files/2000000018805_2.jpg?v=1765877332&width=480)
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![[Used] 18K Yellow Gold Diamond Ring, 1.04ct, 0.53ct, 7.7g, #11.5](http://koufuku.jp/cdn/shop/files/2000000073606_2.jpg?v=1765877332&width=480)
![[Used] PT900 SAPPHIRE Unheated Sapphire Ring, S2.823ct, D0.33ct, Sorting, 7.1g, #16](http://koufuku.jp/cdn/shop/files/2000000024349_3.jpg?v=1765877332&width=480)
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![[Used] K18YG CORAL Ring D0.04ct 9.6g #20](http://koufuku.jp/cdn/shop/files/2000000105161_2.jpg?v=1765877351&width=480)
![[Used] K18YG DIAMOND Ring 0.38ct 2.7g #9.5](http://koufuku.jp/cdn/shop/files/2000000007984_2.jpg?v=1765877352&width=480)
![[Used] PT900 RUBY Ruby Ring, R1.03ct, D0.39ct, CGL Sorting, 5.4g, #12](http://koufuku.jp/cdn/shop/files/2000000126043_3.jpg?v=1765877429&width=480)
![[Used] PT900 DIAMOND RING 1.645ct D0.17ct 7.1g #11](http://koufuku.jp/cdn/shop/files/2000000017488_2.jpg?v=1765877429&width=480)
![[Used] PT900 GARNET Ring G3.00ct D0.10ct 7.6g #12](http://koufuku.jp/cdn/shop/files/2000000093536_2.jpg?v=1765877430&width=480)
![[Used] PT900 Aquamarine Ring AQ1.01ct D0.032ct 7.3g #11](http://koufuku.jp/cdn/shop/files/2000000090153_2.jpg?v=1765877430&width=480)
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![[Pre-owned] PT900 TOURMALINE Red Tourmaline (Rubellite) Ring, 1.64ct, D0.52ct, GRJ Sorting, 12.4g, #12.5](http://koufuku.jp/cdn/shop/files/2000000049632_3.jpg?v=1765877430&width=480)
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![[Pre-owned] QUEEN (Heiwado Trading) K18YG Diamond Ring, D1.28ct, 6.8g, #15](http://koufuku.jp/cdn/shop/files/2000000010748_2.jpg?v=1765877430&width=480)
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![[Pre-owned] PT900 Diamond Ring 0.250ct D0.13ct CGL Certified 1.7g #9](http://koufuku.jp/cdn/shop/files/2000000020143_3.jpg?v=1765877448&width=480)
![[Pre-owned] PT900 TOURMALINE Green Tourmaline Ring, GT 5.72ct, D 0.23ct, 8.5g, #15.5](http://koufuku.jp/cdn/shop/files/2000000011219_2.jpg?v=1765877448&width=480)
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![[Used] K18 DIAMOND Diamond Ring D1.02ct 6.3g #15.5](http://koufuku.jp/cdn/shop/files/2000000106298_2.jpg?v=1765877448&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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