Showing 1787 products
![[Pre-owned] K18WG DIAMOND NECKLACE D12.59ct 91.3g](http://koufuku.jp/cdn/shop/files/2000000097824_2.jpg?v=1771658189&width=480)
![[Used] K18WG DIAMOND NECKLACE Diamond Pendant Necklace 0.428ct D0.40ct 2.8g](http://koufuku.jp/cdn/shop/files/2000000105499_2.jpg?v=1771814676&width=480)
![[Pre-owned] K18WG DIAMOND Necklace D0.50ct 3.4g](http://koufuku.jp/cdn/shop/files/2000000114170_2.jpg?v=1765161884&width=480)
![[Used] K18WG DIAMOND NECKLACE Diamond Pendant Necklace D1.20ct 5.3g](http://koufuku.jp/cdn/shop/files/2000000085876_2.jpg?v=1771814868&width=480)
![[Pre-owned] K18WG DIAMOND Necklace D0.97ct 3.9g](http://koufuku.jp/cdn/shop/files/2000000115832_2.jpg?v=1766992797&width=480)
![[Pre-owned] K18WG DIAMOND Necklace 0.61ct 6.1g](http://koufuku.jp/cdn/shop/files/2000000111810_2.jpg?v=1765175629&width=480)
![[Pre-owned] K18WG DIAMOND PENDANT NECKLACE Diamond Skull Pendant Necklace D3.18ct 20.2g](http://koufuku.jp/cdn/shop/files/2000000115764_2.jpg?v=1771658188&width=480)
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![[Used] K18WG DIAMOND RING Invisible Setting Diamond Ring D2 47ct 7.9g #12](http://koufuku.jp/cdn/shop/files/2000000129907_2.jpg?v=1771814675&width=480)
![[Used] K18WG DIAMOND RING D0.22ct 2.6g #11.5](http://koufuku.jp/cdn/shop/files/2000000079233_3.jpg?v=1779435492&width=480)
![[Used] K18WG DIAMOND RING Diamond Ring D0.24ct 6.2g #14.5](http://koufuku.jp/cdn/shop/files/2000000053455_2.jpg?v=1771814675&width=480)
![[Pre-owned] K18WG DIAMOND RING D0.51ct D0.48ct 5.3g #16.5](http://koufuku.jp/cdn/shop/files/2000000042558_2.jpg?v=1769397963&width=480)
![[Pre-owned] K18WG DIAMOND RING D0.96ct 5.8g #12](http://koufuku.jp/cdn/shop/files/2000000007205_2.jpg?v=1771665162&width=480)
![[Used] K18WG DIAMOND RING D1.14ct 7.2g #12](http://koufuku.jp/cdn/shop/files/2000000133706_2.jpg?v=1777881348&width=480)
![[Pre-owned] K18WG DIAMOND RING D1.26ct 9.5g #14](http://koufuku.jp/cdn/shop/files/2000000130194_2.jpg?v=1771658187&width=480)
![[Pre-owned] K18WG DIAMOND RING D1.30ct 18.8g #15](http://koufuku.jp/cdn/shop/files/2000000047218_2.jpg?v=1771665153&width=480)
![[Pre-owned] K18WG Diamond Ring, Brown & Colorless Diamond Ring, D1.77ct, 13.6g, Size 18](http://koufuku.jp/cdn/shop/files/2000000123288_2.jpg?v=1768882396&width=480)
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![[Used] K18WG DIAMOND RING Princess Cut Diamond Double Eternity Ring 2.00ct 5.9g #12](http://koufuku.jp/cdn/shop/files/2000000064321_2.jpg?v=1750472222&width=480)
![[Used] K18WG DIAMOND SKULL NECKLACE Black & Colorless Diamond Skull Pendant Necklace 17.0g](http://koufuku.jp/cdn/shop/files/2000000133713_2.jpg?v=1771816795&width=480)
![[Pre-owned] K18WG Sakura-cut Diamond Ring, 0.176ct, D0.25ct, 5.8g, Size 12](http://koufuku.jp/cdn/shop/files/2000000090429_2.jpg?v=1750923952&width=480)
![[Pre-owned] K18WG Colorless & Black Diamond Ring D0.26ct 2.2g #11.5](http://koufuku.jp/cdn/shop/files/2000000124650_2.jpg?v=1766219021&width=480)
![[Pre-owned] K18WG Diamond Ring D0.46ct 5.7g #14](http://koufuku.jp/cdn/shop/files/2000000053493_2.jpg?v=1765877332&width=480)
![[Pre-owned] K18WG Diamond Full Eternity Ring D3.25ct 4.8g #13](http://koufuku.jp/cdn/shop/files/2000000069326_2.jpg?v=1750472223&width=480)
![[Pre-owned] MITSUKOSHI K18YG Ruby & Diamond Ring R0.79ct D0.82ct 7.8g #12.5](http://koufuku.jp/cdn/shop/files/2000000145907_2.jpg?v=1788151913&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] K18YG ENAMEL PENDANT NECKLACE 13.4g](http://koufuku.jp/cdn/shop/files/2000000134116_2.jpg?v=1778489330&width=480)