Gems, Jewelry and Precious Metals
Showing 1386 products
![[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)
![[Pre-owned] K18YG GOLDEN PEARL Golden Pearl Ring 12.1mm D0.47ct 8.5g #12](http://koufuku.jp/cdn/shop/files/2000000041124_2.jpg?v=1766219022&width=480)
![[Used] PT900 Jadeite Jadeite Ring J2.01ct D1.26ct 7.6g #9](http://koufuku.jp/cdn/shop/files/2000000021782_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] PT900 SPODUMENE Kunzite Ring 4.36ct D0.51ct 11.7g #14](http://koufuku.jp/cdn/shop/files/2000000106137_2.jpg?v=1766219023&width=480)
![[Used] K18YG PEARL Ring 10.6mm D0.40ct 8.4g #11.5](http://koufuku.jp/cdn/shop/files/2000000043548_2.jpg?v=1766219023&width=480)
![[Pre-owned] PT900 Jadeite Jadeite Ring, J1.354ct, D0.43ct, Nihon Hokyo Sorting, 6.7g, #12](http://koufuku.jp/cdn/shop/files/2000000028644_3.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)
![[Pre-owned] 18K Yellow Gold South Sea Pearl Ring, 12.3mm, 1.50ct, 17.8g, #13.5](http://koufuku.jp/cdn/shop/files/2000000056586_2.jpg?v=1766219022&width=480)
![[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)
![[Used] PT900 DIAMOND Ring D0.27ct 9.1g #19](http://koufuku.jp/cdn/shop/files/2000000007199_2.jpg?v=1766219043&width=480)
![[Pre-owned] PT900 Diamond Men's Ring, D0.43ct, 18.9g, #17](http://koufuku.jp/cdn/shop/files/2000000106366_2.jpg?v=1766219043&width=480)
![[Pre-owned] K18YG/PT900 White Opal Ring, OP 1.09ct, D 0.28ct, 7.7g, #14](http://koufuku.jp/cdn/shop/files/2000000037905_2.jpg?v=1766219054&width=480)
![[Used] PT900 Jadeite Jadeite Ring D0.35ct 6.5g #8.5](http://koufuku.jp/cdn/shop/files/2000000016665_2_4d7e3832-8d06-4d3f-9ee2-bd8a07e79e26.jpg?v=1766219119&width=480)
![[Used] PT900 DIAMOND Ring D0.44ct 15.1g #14](http://koufuku.jp/cdn/shop/files/2000000124421_2.jpg?v=1766219119&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.
![[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)
