Showing 1889 products
![[Used] K18YG DIAMOND RING D1.00ct 8.3g #11](http://koufuku.jp/cdn/shop/files/2000000047386_2.jpg?v=1782371360&width=480)
Sold Out
![[Used] K18WG BLACK OPAL RING Black Opal Ring BO8.90ct D3.32ct 13.5g #14](http://koufuku.jp/cdn/shop/files/2000000094298_2.jpg?v=1782371149&width=480)
![Used] CHANEL K18WG ONYX/CHALCEDONY RING 6.4g #11.5 ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000131115_2.jpg?v=1782371099&width=480)
![[Used] PT900 PARAIBA TOURMALINE RING Paraiba Tourmaline Ring from Brazil PT14.94ct D1.215ct with GRS/CGL appraisal report 16.5g #11.5](http://koufuku.jp/cdn/shop/files/2000000073354_4.jpg?v=1782371066&width=480)
![[Used] K18WG PARAIBA TOURMALINE RING Paraiba Tourmaline Ring PT3.50ct D3.66ct GRS Certificate 11.8g #13](http://koufuku.jp/cdn/shop/files/2000000095103_3.jpg?v=1782370911&width=480)
![[Used] K18WG MOZAMBIQUE NO HEAT RUBY RING Mozambique Ruby Ring R2.03ct D0.60ct GRS Certificate 7.3g #13.5](http://koufuku.jp/cdn/shop/files/2000000091464_3.jpg?v=1782367066&width=480)
![[Used] K18YG BURMA NO HEAT SAPPHIRE RING Burma No-Heat Sapphire Ring S19.93ct D GRS Certification 17.5g #11.5](http://koufuku.jp/cdn/shop/files/2000000118970_3.jpg?v=1782367030&width=480)
![[Used] PT900 NO HEAT SAPPHIRE RING Sri Lankan Unheated Sapphire Ring S6.87ct D1.70ct GRS Certificate 13.3g](http://koufuku.jp/cdn/shop/files/2000000082660_4.jpg?v=1782366996&width=480)
![[Used] K18WG SOUTH SEA PEARL RING White South Sea Pearl Ring 14.0mm D0.06ct 11.5g #13](http://koufuku.jp/cdn/shop/files/2000000049786_3.jpg?v=1779437678&width=480)
![[Used] K18WG SOUTH SEA PEARL RING White South Sea Pearl Ring 12.5mm D1.08ct 6.6g #14.5 Pearl Science Laboratory Aurora Venus](http://koufuku.jp/cdn/shop/files/2000000065991_2.jpg?v=1779437191&width=480)
![[Used] K18YG RUBY RING Ruby Ring R6.07ct D0.60ct 14.1g #15.5](http://koufuku.jp/cdn/shop/files/2000000134635_2.jpg?v=1779436533&width=480)
![[Used] K18WG SAPPHIRE RING S0.75ct D0.05ct 2.6g #10](http://koufuku.jp/cdn/shop/files/2000000124452_2.jpg?v=1779436121&width=480)
We also recommend these products
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)
![Used] K18YG ENAMEL PENDANT NECKLACE 13.4g](http://koufuku.jp/cdn/shop/files/2000000134116_2.jpg?v=1778489330&width=480)
KOUFUKU is an e-commerce site that handles a wide range of products, from jewelry and precious metals to brand bags, brand watches, brand apparel, and tableware. In addition to sales, we also offer a purchase service.