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![[Used] K18YG SAPPHIRE RING S1.00ct D0.30ct 7.5g #12.5](http://koufuku.jp/cdn/shop/files/2000000133621_2.jpg?v=1778493298&width=480)
![[Used] K18WG BLACK / COLORLESS DIAMOND RING Black/Colorless Diamond Ring BD0.19ct D0.21ct 13.2g #13.5](http://koufuku.jp/cdn/shop/files/2000000133638_2.jpg?v=1778732513&width=480)
![[Used] K18YG Sapphire Ring S0.38ct D1.00ct 10.3g #11.5](http://koufuku.jp/cdn/shop/files/2000000069777_9.jpg?v=1777881349&width=480)
![[Used] K18YG MULTI STONE RING Emerald/Ruby/Sapphire Ring 0.57ct 6.8g](http://koufuku.jp/cdn/shop/files/2000000131429_2.jpg?v=1778493621&width=480)
![[Used] PT900 DIAMOND RING D1.00ct 13.5g #14.5](http://koufuku.jp/cdn/shop/files/2000000133652_2.jpg?v=1777881349&width=480)
![[Used] K18YG/ONYX YELLOW SAPPHIRE RING YS1.32ct D0.28ct 11.2g #12 #15](http://koufuku.jp/cdn/shop/files/2000000133607_2.jpg?v=1777881348&width=480)
![[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] K18WG DIAMOND RING D1.14ct 7.2g #12](http://koufuku.jp/cdn/shop/files/2000000133706_2.jpg?v=1777881348&width=480)
![[Used] PT900 RUBY RING Thailand Ruby Ring R1.01ct D0.58ct GIA Certificate 5.1g #11](http://koufuku.jp/cdn/shop/files/2000000133263_3.jpg?v=1778489509&width=480)
![[Used] K18YG EMERALD RING E1.25ct D0.55ct 19.8g #12](http://koufuku.jp/cdn/shop/files/2000000133430_2.jpg?v=1778492905&width=480)
![[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)
![[Used] Isako Kikuchi K18WG TOURMALINE RING T2.17ct G 0.14ct 0.06ct 9.6g #15](http://koufuku.jp/cdn/shop/files/2000000122113_2.jpg?v=1778492272&width=480)
![[Used] PT900 SOUTH SEA PEARL RING White South Sea Pearl Ring P14.8mm D0.35ct 16.0g #11](http://koufuku.jp/cdn/shop/files/2000000133782_2.jpg?v=1777881348&width=480)
![[Used] PT900 RUBY RING Thai Ruby Ring R1.20ct D0.45ct GIA/Nihonbokei Appraisal Report 6.5g #10](http://koufuku.jp/cdn/shop/files/2000000133256_4.jpg?v=1777881347&width=480)
![[Used] PT900/K18YG TOURMALINE Pink Tourmaline Ring T1.86ct D0.41ct #10 6.0g](http://koufuku.jp/cdn/shop/files/2000000079127_2.jpg?v=1778737724&width=480)
![[Used] K18WG PHOENIX PEARL PENDANT NECKLACE South Sea Phoenix Pearl Pendant Necklace P15.5mm D0.06ct 24.4g](http://koufuku.jp/cdn/shop/files/2000000098074_2.jpg?v=1777881333&width=480)
![[Pre-owned] K18YG RUBY RING Ruby Ring R1.15ct D0.45ct 7.3g #12](http://koufuku.jp/cdn/shop/files/2000000040165_2.jpg?v=1777281913&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)
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