Showing 1787 products
![[Pre-owned] K18YG RUBY RING Ruby/Diamond Invisible Setting Chain Ring R0.46ct D1.27ct 11.6g #13.5](http://koufuku.jp/cdn/shop/files/2000000040004_2.jpg?v=1768808620&width=480)
![[Used] K18YG RUBY RING 7.6g #17](http://koufuku.jp/cdn/shop/files/2000000112589_2.jpg?v=1761642460&width=480)
![[Pre-owned] K18YG RUBY RING D0.06ct 3.6g #10](http://koufuku.jp/cdn/shop/files/2000000147376_2.jpg?v=1789101985&width=480)
![[Pre-owned] K18YG RUBY RING R0.25ct D0.09ct 5.8g #11](http://koufuku.jp/cdn/shop/files/2000000131511_2.jpg?v=1771658255&width=480)
![[Pre-owned] K18YG RUBY RING R0.27ct D0.10ct 3.0g #14](http://koufuku.jp/cdn/shop/files/2000000056173_2.jpg?v=1768444653&width=480)
![[Pre-owned] K18YG RUBY RING R0.31ct D0.13ct 5.1g #11](http://koufuku.jp/cdn/shop/files/2000000116464_2.jpg?v=1771658257&width=480)
![[Used] K18YG RUBY RING R0.41ct D0.56ct #8.5 5.3g](http://koufuku.jp/cdn/shop/files/2000000068541_2.jpg?v=1779432381&width=480)
![[Pre-owned] K18YG RUBY RING R0.448ct D0.46ct 5.5g #12](http://koufuku.jp/cdn/shop/files/DSC_2026_4487a999-4928-4b18-b0f6-2154297d7db9.jpg?v=1775189875&width=480)
![[Pre-owned] K18YG RUBY RING R0.45ct D0.33ct 7.6g #14](http://koufuku.jp/cdn/shop/files/2000000116488_2.jpg?v=1764915892&width=480)
![[Pre-owned] K18YG RUBY RING R0.45ct D0.60ct 5.2g #12](http://koufuku.jp/cdn/shop/files/2000000116440_2.jpg?v=1765175629&width=480)
![[Used] K18YG RUBY RING Ruby Ring R0.48ct D0.36ct 10.3g](http://koufuku.jp/cdn/shop/files/2000000127644_2.jpg?v=1771814676&width=480)
![[Pre-owned] K18YG RUBY RING R0.52ct D0.23ct 2.7g #8](http://koufuku.jp/cdn/shop/files/2000000090245_2.jpg?v=1768444828&width=480)
![[Used] K18YG RUBY RING R0.55ct D0.52ct 5.4g #13](http://koufuku.jp/cdn/shop/files/2000000071374_2.jpg?v=1745908638&width=480)
![[Pre-owned] K18YG RUBY RING R0.65ct D0.24ct 6.1g #11](http://koufuku.jp/cdn/shop/files/2000000117171_2.jpg?v=1768444652&width=480)
![[Used] K18YG RUBY RING Ruby Ring R0.70ct WS1.7ct 5.5g #11](http://koufuku.jp/cdn/shop/files/2000000052595_2.jpg?v=1771814806&width=480)
![[Pre-owned] K18YG RUBY RING R0.73ct D1.36ct 10.1g #14.5](http://koufuku.jp/cdn/shop/files/2000000023700_2.jpg?v=1767585980&width=480)
![[Pre-owned] K18YG RUBY RING R0.73ct D1.46ct 8.8g #10.5](http://koufuku.jp/cdn/shop/files/2000000040103_2.jpg?v=1771665041&width=480)
![[Pre-owned] K18YG RUBY RING R0.75ct D1.00ct 9.6g #15](http://koufuku.jp/cdn/shop/files/2000000040264_2.jpg?v=1765175628&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)