Gems, Jewelry and Precious Metals
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![[Pre-owned] 18K Yellow Gold Ruby Ring, R0.59ct, D1.00ct, 6.9g, #12](http://koufuku.jp/cdn/shop/files/2000000044378_2.jpg?v=1750401687&width=480)
![[Used] PT900 Emerald Ring, E0.45ct, D0.70ct, 7.8g, #13](http://koufuku.jp/cdn/shop/files/2000000005171_2.jpg?v=1750401687&width=480)
![[Used] PT900 RUBY Ruby Ring, R0.732ct, D0.56ct, 8.0g, #15](http://koufuku.jp/cdn/shop/files/2000000013091_2.jpg?v=1750401687&width=480)
![[Pre-owned] K18WG BLACK OPAL Black Opal Ring 0.79ct D0.16ct 2.7g #13](http://koufuku.jp/cdn/shop/files/DSC_6314.jpg?v=1771668363&width=480)
![[Used] PT850 Emerald Ring, E0.96ct, D0.12ct, 4.9g, #9](http://koufuku.jp/cdn/shop/files/2000000018119_2.jpg?v=1750401687&width=480)
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![[Pre-owned] K18WG BLACK OPAL Black Opal Ring, BO 1.01ct, D 0.89ct, 3.8g, #13](http://koufuku.jp/cdn/shop/files/2000000039770_2.jpg?v=1750401687&width=480)
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![[Pre-owned] K18WG BLACK OPAL Black Opal Ring, BO 0.57ct, D 0.33ct, 2.2g, #13.5](http://koufuku.jp/cdn/shop/files/2000000045276_2.jpg?v=1750401687&width=480)
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![[Used] PT900 RUBY Ruby Ring, R0.50ct, D0.50ct, 4.8g, #9, GGS Sorting](http://koufuku.jp/cdn/shop/files/2000000022048_3.jpg?v=1750401687&width=480)
![[Pre-owned] K18WG OPAL Black Opal Ring, BO 1.32ct, D 0.13ct, 2.5g, #13](http://koufuku.jp/cdn/shop/files/2000000036816_2.jpg?v=1750401687&width=480)
![[Pre-owned] K18WG BLACK OPAL Black Opal Ring, BO 2.10ct, D 0.40ct, 3.4g, #13](http://koufuku.jp/cdn/shop/files/2000000043487_2.jpg?v=1750401687&width=480)
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![[Pre-owned] K18WG BLACK OPAL Black Opal Ring, BO 2.46ct, D 0.35ct, 4.1g, #13](http://koufuku.jp/cdn/shop/files/2000000039435_2.jpg?v=1750401687&width=480)
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![[Pre-owned] K18YG GOLDEN PEARL Golden Pearl Ring 12.9mm D0.50ct 9.5g #11.5](http://koufuku.jp/cdn/shop/files/57309_01.jpg?v=1750402127&width=480)
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![[Pre-owned] K18WG BLACK OPAL Black Opal Ring, BO 0.50ct, D 0.20ct, 1.7g, #13](http://koufuku.jp/cdn/shop/files/2000000036847_2.jpg?v=1750401687&width=480)
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![[Pre-owned] K18WG BLACK OPAL Black Opal Ring, BO 1.85ct, D 0.28ct, 4.0g, #12](http://koufuku.jp/cdn/shop/files/2000000045924_2.jpg?v=1750401688&width=480)
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![[Used] PT900 EMERALD RING E0.91ct D0.52ct 8.1g #13](http://koufuku.jp/cdn/shop/files/2000000022383_2.jpg?v=1750401687&width=480)
![[Pre-owned] K18WG Emerald Ring E0.886ct D0.58ct 4.0g #12.5](http://koufuku.jp/cdn/shop/files/2000000042855_2.jpg?v=1750401688&width=480)
![[Pre-owned] 18K Yellow Gold Akoya Pearl Ring, 6.5-7.5mm, 6.8g, #15.5](http://koufuku.jp/cdn/shop/files/2000000043104_2.jpg?v=1750401687&width=480)
![[Pre-owned] K18YG Golden Pearl Ring, 12.0mm, D0.38t, 7.7g, #11.5](http://koufuku.jp/cdn/shop/files/2000000040493_2.jpg?v=1750401687&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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