Showing 1644 products
![[Used] K18/PT900 TANZANITE RING Tanzanite Ring T1.43ct D0.41ct 15.0g #14.5](http://koufuku.jp/cdn/shop/files/2000000133614_2.jpg?v=1778494149&width=480)
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![[Used] K18/PT950 PAPARACIA SAPPHIRE NECKLACE Paparadscha Sapphire Pendant Necklace 1.60ct D0.19ct with Japan Germany Gemological Institute certificate 3.9g](http://koufuku.jp/cdn/shop/files/2000000074689_3.jpg?v=1765175629&width=480)
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![[Pre-owned] K18PG DIAMOND RING Diamond Belt Ring D0.40ct 8.4g #12.5](http://koufuku.jp/cdn/shop/files/2000000121895_2.jpg?v=1768185637&width=480)
![[Used] K18PG DIAMOND RING Diamond Full Eternity Ring D3.04ct 6.7g #12](http://koufuku.jp/cdn/shop/files/2000000069197_2.jpg?v=1768882395&width=480)
![[Pre-owned] K18PG DIAMOND RING Diamond Men's Eternity Ring D1.23ct 7.8g #28](http://koufuku.jp/cdn/shop/files/2000000044064_2.jpg?v=1771658188&width=480)
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![[Used] K18PG DIAMOND RING Diamond Ring D2.00ct 5.4g #15](http://koufuku.jp/cdn/shop/files/2000000134284_3.jpg?v=1779355867&width=480)
![[Used] K18PG DIAMOND RING Diamond Ring D0.05ct 6.4g #16.5](http://koufuku.jp/cdn/shop/files/2000000112466_2.jpg?v=1766221259&width=480)
![[Used] K18PG DIAMOND Diamond Ring D1.60ct 5.9g #12](http://koufuku.jp/cdn/shop/files/DSC_3934.jpg?v=1769670729&width=480)
![[Used] K18PG DIAMOND ring, D2.83ct, 3.9g](http://koufuku.jp/cdn/shop/files/2000000039886_2.jpg?v=1765012878&width=480)
![[Pre-owned] 18K PG Rose Quartz Pendant Necklace RQ 12.33ct D0.56ct 10.7g](http://koufuku.jp/cdn/shop/files/2000000076652_2.jpg?v=1764830345&width=480)
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![[Pre-owned] K18WG ALEXANDRITE RING Alexandrite Diamond Ring A1.00ct D0.80ct 5.6g #15](http://koufuku.jp/cdn/shop/files/2000000008844_2.jpg?v=1768808620&width=480)
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![[Used] K18WG AQUAMARINE RING Aquamarine Ring AQ0.92ct D0.60ct/0.51ct 6.1g #13](http://koufuku.jp/cdn/shop/files/2000000087948_2.jpg?v=1779354385&width=480)
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![[Used] K18WG AQUAMARINE RING AQ11.21ct D1.64ct 9.5g #12.5](http://koufuku.jp/cdn/shop/files/2000000045115_2.jpg?v=1771814675&width=480)
![[Pre-owned] K18WG AQUAMARINE Aquamarine Pendant Necklace A0.54ct D0.37ct 5.5g](http://koufuku.jp/cdn/shop/files/2000000058474_2.jpg?v=1764830303&width=480)
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![[Pre-owned] K18WG AQUAMARINE Aquamarine Ring AQ2.31ct D0.47ct 4.6g #14](http://koufuku.jp/cdn/shop/files/2000000045337_2.jpg?v=1760667250&width=480)
![[Pre-owned] K18WG Aquamarine Ring, Aquamarine 3.82ct, S 1.35ct, D 0.22ct, 8.7g, #14](http://koufuku.jp/cdn/shop/files/2000000042756_2.jpg?v=1765175629&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)
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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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