Showing 1787 products
![[Used] K18YG SAPPHIRE RING Yellow Sapphire Ring S4.37ct D0.31ct with sorting report 8.8g #12](http://koufuku.jp/cdn/shop/files/2000000130231_3.jpg?v=1771814676&width=480)
![[Used] K18YG SAPPHIRE RING Cabochon Cut Sapphire Ring S1.44ct D0.43ct 9.7g #12](http://koufuku.jp/cdn/shop/files/2000000047010_2.jpg?v=1759990523&width=480)
![[Used] K18YG SAPPHIRE RING Golden Sapphire/Blue Sapphire Ring Appraisal Report 9.5g #15](http://koufuku.jp/cdn/shop/files/2000000116549_3.jpg?v=1771814807&width=480)
![[Used] K18YG SAPPHIRE RING S1.01ct D0.57ct 5.3g #8](http://koufuku.jp/cdn/shop/files/2000000069159_2.jpg?v=1746252087&width=480)
![[Pre-owned] K18YG SAPPHIRE RING S0.30ct D0.30ct 4.0g #9](http://koufuku.jp/cdn/shop/files/2000000123882_2.jpg?v=1768882395&width=480)
![[Used] K18YG SAPPHIRE RING Sapphire Ring S0.59ct D0.27ct 6.0g #12](http://koufuku.jp/cdn/shop/files/2000000069616_2.jpg?v=1759990523&width=480)
![[Pre-owned] K18YG SAPPHIRE RING S0.70ct D0.05ct 11.6g #12.5](http://koufuku.jp/cdn/shop/files/2000000131542_2.jpg?v=1771658254&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)
![[Used] K18YG SAPPHIRE RING S0.76ct D0.28ct 9.1g #13](http://koufuku.jp/cdn/shop/files/2000000106724_2.jpg?v=1760678193&width=480)
![[Pre-owned] K18YG SAPPHIRE RING Sapphire 0.906ct Diamond 0.36ct 7.0g #12](http://koufuku.jp/cdn/shop/files/2000000117225_2.jpg?v=1768185637&width=480)
![[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)
![[Pre-owned] K18YG SAPPHIRE RING S1.03ct D0.73ct 7.4g #11](http://koufuku.jp/cdn/shop/files/2000000035505_2.jpg?v=1771665041&width=480)
![[Pre-owned] K18YG SAPPHIRE RING 1.05ct, 7.3g, Size 11.5](http://koufuku.jp/cdn/shop/files/2000000128696_2.jpg?v=1771316784&width=480)
![[Pre-owned] K18YG SAPPHIRE RING S1.05ct D0.30ct 6.1g #12.5](http://koufuku.jp/cdn/shop/files/2000000106533_2.jpg?v=1765161884&width=480)
![[Used] K18YG SAPPHIRE RING S1.25ct D0.47ct CGL Sorting 8.2g #8](http://koufuku.jp/cdn/shop/files/2000000043074_3.jpg?v=1759990523&width=480)
![[Pre-owned] K18YG SAPPHIRE RING, Sapphire 1.29ct, Diamond 1.53ct, with GRJ sorting, 9.5g, Size 12](http://koufuku.jp/cdn/shop/files/2000000071367_3.jpg?v=1765175629&width=480)
![[Pre-owned] K18YG SAPPHIRE RING S2.11ct D0.35ct 15.6g #15](http://koufuku.jp/cdn/shop/files/2000000092621_2.jpg?v=1771665487&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] K18YG SAPPHIRE RING S2.50ct D0.72ct 7.8g #9](http://koufuku.jp/cdn/shop/files/2000000131641_2.jpg?v=1771658255&width=480)
![[Pre-owned] K18YG SAPPHIRE RING S2.79ct D0.50ct with sorting, 9.0g, size 11](http://koufuku.jp/cdn/shop/files/2000000124865_3.jpg?v=1771658188&width=480)
![[Pre-owned] K18YG SAPPHIRE RING, Sapphire 3.13ct, Diamond 0.95ct, with CGL Sorting, 10.4g, Size #19](http://koufuku.jp/cdn/shop/files/2000000028590_3.jpg?v=1771665161&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)