Showing 174 products
![[Pre-owned] MONNICKENDAM K18YG DIAMOND Ring D0.54ct 5.0g #15 ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000009353_2.jpg?v=1762391101&width=480)
![[Used] PT900 SAPPHIRE Sapphire Ring, S1.68ct, D0.65ct, 8.6g, #8](http://koufuku.jp/cdn/shop/files/2000000090573_2.jpg?v=1762391121&width=480)
![[Pre-owned] K18YG Akoya Pearl Ring, 6.9mm, D0.48ct, 5.9g](http://koufuku.jp/cdn/shop/files/2000000115146_2.jpg?v=1762391140&width=480)
![[Pre-owned] MIKIMOTO K14YG Akoya Pearl Necklace, 5.0-5.5mm, 38.6g, One Price](http://koufuku.jp/cdn/shop/files/2000000043029_2.jpg?v=1762391176&width=480)
![[Pre-owned] K18WG Jadeite Jadeite Ring J2.633ct D0.60ct 5.5g #13](http://koufuku.jp/cdn/shop/files/2000000040738_2.jpg?v=1762391181&width=480)
![[Used] K18WG Emerald Ring E1.885ct D1.14ct 7.0g #13](http://koufuku.jp/cdn/shop/files/2000000042312_2.jpg?v=1762397785&width=480)
![[Pre-owned] 18K Yellow Gold Emerald Brooch/Pendant Necklace, E3.45ct, D0.19ct, 8.5g](http://koufuku.jp/cdn/shop/files/2000000106779_2.jpg?v=1762397785&width=480)
![[Pre-owned] K18WG Emerald Ring, E1.28ct, D0.75ct, 4.9g, #13.5](http://koufuku.jp/cdn/shop/files/2000000039176_2.jpg?v=1762316313&width=480)
![[Pre-owned] MIKIMOTO K18YG AKOYA PEARL Ring, Diamond, 4.2g, #10, One Price](http://koufuku.jp/cdn/shop/files/2000000106885_2.jpg?v=1762391099&width=480)
![[Pre-owned] CHANEL K18WG Diamond Bracelet 43.8g 15.5cm One Price](http://koufuku.jp/cdn/shop/files/2000000015125_2.jpg?v=1762391101&width=480)
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![[Pre-owned] K18WG Jadeite Jadeite Ring J4.69ct D0.88ct 6.0g #13](http://koufuku.jp/cdn/shop/files/2000000042824_2.jpg?v=1760667250&width=480)
![[Pre-owned] 18K Yellow Gold Ruby & Diamond Ring, R0.16ct, D0.50ct, 6.1g, #9](http://koufuku.jp/cdn/shop/files/2000000047072_2.jpg?v=1760667250&width=480)
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![[Used] PT950 Tanzanite Ring, T0.64ct, D0.29ct, 4.4g, #11.5](http://koufuku.jp/cdn/shop/files/2000000037417_2.jpg?v=1760678193&width=480)
![[Pre-owned] 18K Yellow Gold Sapphire Ring, S1.07ct, D0.32ct, 4.9g, #17.5](http://koufuku.jp/cdn/shop/files/2000000104812_2.jpg?v=1760678193&width=480)
![[Pre-owned] 18K Yellow Gold Ruby Ring, R1.01ct, D2.00ct, 6.5g, #10.5](http://koufuku.jp/cdn/shop/files/DSC_2008.jpg?v=1761632400&width=480)
![[Pre-owned] K18YG OPAL Cantera Opal Ring, OP 6.47ct, D 0.04ct, 8.2g, #14](http://koufuku.jp/cdn/shop/files/2000000076782_2.jpg?v=1760667249&width=480)
![[Pre-owned] K18WG Jadeite Jadeite Ring J3.726ct D0.57ct 5.3g #13.5](http://koufuku.jp/cdn/shop/files/2000000040141_2.jpg?v=1760667250&width=480)
![[Pre-owned] PT900 White Opal Ring, OP 4.30ct, D 0.59ct, 11.9g, #11](http://koufuku.jp/cdn/shop/files/2000000011325_2.jpg?v=1760667250&width=480)
![[Pre-owned] 18K Yellow Gold Sapphire Ring, S1.16ct, D1.21ct, 7.2g, #11.5](http://koufuku.jp/cdn/shop/files/2000000052892_2.jpg?v=1760667249&width=480)
![[Pre-owned] K18YG SAPPHIRE Ring, S0.70ct, D1.30ct, 6.7g, #13](http://koufuku.jp/cdn/shop/files/2000000073057_2.jpg?v=1760667249&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)
