Showing 1787 products
![[Used] K18WG SAPPHIRE EARRINGS Briolette Cut Color Sapphire Earrings 3.8g](http://koufuku.jp/cdn/shop/files/2000000133942_2.jpg?v=1786341800&width=480)
![[Pre-owned] K18WG SAPPHIRE NECKLACE Sapphire/Diamond Choker Necklace S9.56ct D3.87ct NGL Appraisal Report 30.6g](http://koufuku.jp/cdn/shop/files/2000000036915_3.jpg?v=1771665130&width=480)
![[Used] K18WG SAPPHIRE NECKLACE S57.00ct D1.10ct 38.7.0g](http://koufuku.jp/cdn/shop/files/2000000017945_2.jpg?v=1765161893&width=480)
![[Used] K18WG SAPPHIRE PENDANT NECKLACE Color Sapphire Pendant Necklace S10.80ct D0.12ct Sorting 11.0g](http://koufuku.jp/cdn/shop/files/2000000106946_2.jpg?v=1766801414&width=480)
![[Pre-owned] K18WG SAPPHIRE RING Sapphire Invisible Setting Ring S8.25ct D0.55ct 15.4g #16.5](http://koufuku.jp/cdn/shop/files/2000000127682_2.jpg?v=1771658188&width=480)
![[Used] K18WG SAPPHIRE RING Sapphire Ring CGL Sorting 3.6g #12.5](http://koufuku.jp/cdn/shop/files/2000000090146_3.jpg?v=1760678193&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)
![[Used] K18WG SAPPHIRE RING S1.33ct D0.97ct 3.7g #12.5](http://koufuku.jp/cdn/shop/files/2000000103624_2.jpg?v=1752392450&width=480)
![[Pre-owned] K18WG SAPPHIRE RING Sapphire Ring S1.55ct D0.28ct 3.31g #13](http://koufuku.jp/cdn/shop/files/2000000040691_2.jpg?v=1768808719&width=480)
![[Pre-owned] K18WG SAPPHIRE RING Sapphire Ring S1.84ct D1.24ct 6.5g #13](http://koufuku.jp/cdn/shop/files/2000000143910_2.jpg?v=1788157347&width=480)
![[Used] K18WG SAPPHIRE RING Sapphire Ring S12.94ct D0.85ct GRS Appraisal 11.0g #14.5](http://koufuku.jp/cdn/shop/files/2000000135656_3.jpg?v=1782450083&width=480)
![[Pre-owned] K18WG SAPPHIRE RING S2.05ct D1.00ct 6.4g #12.5](http://koufuku.jp/cdn/shop/files/2000000040615_2.jpg?v=1768806609&width=480)
![Used] K18WG SAPPHIRE RING Sapphire Ring S2.869ct D0.50ct 6.0g #13](http://koufuku.jp/cdn/shop/files/2000000040714_2.jpg?v=1771814807&width=480)
![[Pre-owned] K18WG Sapphire Ring S4.00ct D0.22ct 6.9g #12](http://koufuku.jp/cdn/shop/files/2000000123172_2.jpg?v=1771658188&width=480)
![[Pre-owned] K18WG SAPPHIRE RING Sapphire Ring S5.06ct D0.78ct 6.5g #13.5](http://koufuku.jp/cdn/shop/files/2000000050447_2.jpg?v=1789034504&width=480)
![[Pre-owned] K18WG SAPPHIRE RING Sapphire Ring S5.74ct D1.70ct 7.4g #13.5](http://koufuku.jp/cdn/shop/files/2000000050386_2.jpg?v=1768444671&width=480)
![[Pre-owned] K18WG Sapphire Ring S6.22ct D1.68ct 9.5g #12.5](http://koufuku.jp/cdn/shop/files/2000000071039_2.jpg?v=1765161863&width=480)
![[Used] K18WG SAPPHIRE RING Sri Lankan Sapphire Ring S16.88ct D2.54ct GRS Royal Blue Certification 14.7g #15](http://koufuku.jp/cdn/shop/files/2000000069333_3.jpg?v=1782449522&width=480)
![[Used] K18WG SAPPHIRE RING Sri Lankan Sapphire Ring S25.01ct D2.73ct with GRS Appraisal 16.7g #13](http://koufuku.jp/cdn/shop/files/2000000095196_3.jpg?v=1783329933&width=480)
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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)