Gems, Jewelry and Precious Metals
Showing 1854 products
![[Used] K18/PT900 DIAMOND Ring 0.35ct 3.1g #11](http://koufuku.jp/cdn/shop/files/2000000093017_2.jpg?v=1765877331&width=480)
![[Used] PT900 SAPPHIRE Sapphire Ring, S1.57ct, D0.15ct, 6.6g, #10](http://koufuku.jp/cdn/shop/files/2000000026497_2.jpg?v=1765877331&width=480)
![[Pre-owned] K18YG SAPPHIRE Ring, S0.89ct, D1.18ct, Sorting, 5.8g, #13](http://koufuku.jp/cdn/shop/files/2000000117089_3.jpg?v=1765877331&width=480)
![[Used] K18WG Emerald Ring Emerald 1.83ct D0.52ct 3.7g #14](http://koufuku.jp/cdn/shop/files/DSC_2008_488b48d0-0624-4a80-85b2-f5970e332319.jpg?v=1775188643&width=480)
![[Used] 18K Yellow Gold Akoya Pearl Ring, 9.6mm, 4.3g, #13.5](http://koufuku.jp/cdn/shop/files/2000000099330_2.jpg?v=1765877331&width=480)
![[Used] PT900 Emerald Ring Emerald 1.51ct D0.69ct 9.7g #12](http://koufuku.jp/cdn/shop/files/2000000094601_2_2.jpg?v=1766993836&width=480)
![[Used] PT900 MEXICO OPAL Mexican Opal Ring D0.20ct 8.3g #9](http://koufuku.jp/cdn/shop/files/2000000102085_2.jpg?v=1765877331&width=480)
![[Used] PT900 DIAMOND Ring D0.15ct 4.5g #8](http://koufuku.jp/cdn/shop/files/2000000033600_2.jpg?v=1765877331&width=480)
![[Pre-owned] K18WG GOLDEN PEARL White Butterfly Pearl Ring, 11.5mm, D0.95ct, S0.08ct, 8.0g, #12](http://koufuku.jp/cdn/shop/files/2000000044477_2.jpg?v=1765877331&width=480)
![[Pre-owned] 18K Yellow Gold Mabe Pearl Ring, 13.5mm, 4.1g, #10.5](http://koufuku.jp/cdn/shop/files/2000000048017_2.jpg?v=1765877332&width=480)
![[Used] K18WG DIAMOND Diamond Ring D0.45ct 5.4g #12](http://koufuku.jp/cdn/shop/files/2000000053318_2.jpg?v=1765877332&width=480)
![[Pre-owned] K18WG SAPPHIRE Sapphire Ring, S0.87ct, D0.04ct, 1.6g, #11.5](http://koufuku.jp/cdn/shop/files/2000000036427_2.jpg?v=1765877331&width=480)
![[Used] PT900 MEXICO OPAL Mexican Opal Ring 4.45ct 6.7g #11](http://koufuku.jp/cdn/shop/files/2000000005591_2.jpg?v=1765877332&width=480)
![[Used] PT900 Jadeite Jadeite Ring, J2.16ct, D0.43ct, Sorting, 5.7g, #10](http://koufuku.jp/cdn/shop/files/2000000021867_3.jpg?v=1765877331&width=480)
![[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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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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