Gems, Jewelry, and Precious Metals
Showing 1930 products
![[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)
![[Used] TASAKI K18YG EMERALD RING E0.39ct D0.71ct 6.7g #11 ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000041964_2.jpg?v=1771814676&width=480)
![[Used] K18YG MABE PEARL NECKLACE 17.3mm D0.21ct 15.2g](http://koufuku.jp/cdn/shop/files/2000000107561_2.jpg?v=1771814676&width=480)
![[Used] K18YG DIAMOND RING Diamond Ring 0.709ct D0.90ct 7.2g #11](http://koufuku.jp/cdn/shop/files/2000000117256_2.jpg?v=1771814675&width=480)
![[Used] PT900 JADEITE RING J2.117ct D1.65ct with sorting 15.0g #19.5](http://koufuku.jp/cdn/shop/files/2000000125978_3.jpg?v=1771814676&width=480)
![Used] K18WG DIAMOND Brown & Colorless Diamond Ring D1.63ct 7.4g #12](http://koufuku.jp/cdn/shop/files/2000000039114_2.jpg?v=1771814676&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)
![[Used] PT900 DIAMOND RING 0.25ct D0.52ct 11.0g #11.5](http://koufuku.jp/cdn/shop/files/2000000128009_2.jpg?v=1771814676&width=480)
![[Used] K18WG JADEITE RING J14.90ct D0.12ct 9.9g #13.5](http://koufuku.jp/cdn/shop/files/2000000125985_2.jpg?v=1771814676&width=480)
![[Used] PONTE VECCHIO K18PG RING Pink Gold Diamond Ring D0.08ct 11.8g #8](http://koufuku.jp/cdn/shop/files/2000000131030_2.jpg?v=1771814676&width=480)
![[Used] K18YG DIAMOND RING D1.00ct 6.1g #13](http://koufuku.jp/cdn/shop/files/2000000130392_2.jpg?v=1771814676&width=480)
![[Used] POLA K18YG Rose Quartz/Pink Tourmaline/Pearl/Citrine Ring RQ3.256ct D0.13ct 5.0g #10 ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000120591_2.jpg?v=1771814676&width=480)
![[Used] DAMIANI K18YG/K18PG DIAMOND RING 5.7g #13 ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000130828_2.jpg?v=1771814676&width=480)
![[Used] PT900 DIAMOND RING D1.00ct 13.2g #18](http://koufuku.jp/cdn/shop/files/2000000131221_2.jpg?v=1771814676&width=480)
![[Used] K18YG SAPPHIRE RING S0.70ct D0.50ct 5.2g #8](http://koufuku.jp/cdn/shop/files/2000000128856_2.jpg?v=1771814676&width=480)
KOUFUKU is an e-commerce site that offers a wide range of products, including jewelry, precious metals, designer bags, designer watches, designer apparel, and tableware. In addition to retail sales, we also provide purchase services.
![[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)