Showing 174 products
![[Used] PT900 DIAMOND V-shaped diamond ring, D1.03ct, 5.5g, #11](http://koufuku.jp/cdn/shop/files/2000000126067_2.jpg?v=1766219023&width=480)
![[Pre-owned] 18K Yellow Gold Sapphire and Green Garnet Ring, S0.78ct, G0.45ct, D1.16ct, 10.7g, #13](http://koufuku.jp/cdn/shop/files/2000000121376_2.jpg?v=1766219023&width=480)
![[Used] PT900 SPODUMENE Kunzite Ring 4.36ct D0.51ct 11.7g #14](http://koufuku.jp/cdn/shop/files/2000000106137_2.jpg?v=1766219023&width=480)
![[Pre-owned] PT900 Opal Cat's Eye Ring, OC 3.94ct, D 0.44ct, 9.0g, #11.5](http://koufuku.jp/cdn/shop/files/2000000103600_2.jpg?v=1766219022&width=480)
![[Pre-owned] T&Co Tiffany PT950 Diamond Solitaire Ring 0.24ct 3.3g #7 One Price](http://koufuku.jp/cdn/shop/files/2000000006710_2.jpg?v=1766219023&width=480)
![[Used] K18WG GARNET Ring G3.12ct D0.45ct 8.6g #12](http://koufuku.jp/cdn/shop/files/2000000065717_2.jpg?v=1766219022&width=480)
![[Pre-owned] K18WG Jadeite Jadeite Ring J2.53ct D0.43ct 5.0g #13.5](http://koufuku.jp/cdn/shop/files/2000000045856_2.jpg?v=1766219022&width=480)
![[Used] PT900 RUBY Ruby Ring, R0.53ct, D0.07ct, 6.9g, #16](http://koufuku.jp/cdn/shop/files/2000000124735_2.jpg?v=1766219022&width=480)
![[Pre-owned] K18YG GOLDEN PEARL Golden Pearl Ring, P12.0mm, D0.60ct, 11.3g, #12](http://koufuku.jp/cdn/shop/files/2000000040158_2.jpg?v=1766219022&width=480)
![[Used] PT900 Jadeite Jadeite Ring J3.34ct D0.73ct 9.4g #13](http://koufuku.jp/cdn/shop/files/2000000014531_2.jpg?v=1766219023&width=480)
![[Pre-owned] CHAUMET Hortensia 18K White Gold Opal Pendant Necklace, 3.9g](http://koufuku.jp/cdn/shop/files/2000000027616_2.jpg?v=1764915891&width=480)
![[Pre-owned] 18K Yellow Gold Ruby Ring, R2.10ct, D1.00ct, 9.5g, #12](http://koufuku.jp/cdn/shop/files/DSC_3928.jpg?v=1769670706&width=480)
![[Pre-owned] Waltham Necklace, 18K Yellow Gold, Diamond Pendant Necklace, 25.6g, One Price](http://koufuku.jp/cdn/shop/files/2000000114354_2.jpg?v=1764830277&width=480)
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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.
![[Used] PT900 SAPPHIRE RING Sapphire Ring S2.57ct D1.51ct 14.3g #15](http://koufuku.jp/cdn/shop/files/2000000071954_2.jpg?v=1768882396&width=480)
![[Pre-owned] MIKIMOTO PT950 ALEXANDRITE RING, A 0.42ct, D 0.62ct, 6.1g, #15, ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000123844_3.jpg?v=1768882396&width=480)
