Showing 1288 products
![[Pre-owned] K18WG OPAL Black Opal Ring, BO 1.32ct, D 0.13ct, 2.5g, #13](http://koufuku.jp/cdn/shop/files/2000000036816_2.jpg?v=1750401687&width=480)
![[Pre-owned] K18WG OPAL Black Opal Ring, BO 1.50ct, D 0.38ct, 3.5g, #13.5](http://koufuku.jp/cdn/shop/files/2000000047874_2.jpg?v=1768800609&width=480)
![[Pre-owned] 18K White Gold Paraiba Tourmaline Pendant Necklace, P0.23ct, D0.89ct, 6.5g](http://koufuku.jp/cdn/shop/files/2000000048741_2.jpg?v=1765175629&width=480)
![[Pre-owned] K18WG PEARL South Sea pearl pendant necklace, P15.4mm, D0.32ct, 8.6g](http://koufuku.jp/cdn/shop/files/2000000015842_2.jpg?v=1765161777&width=480)
![[Pre-owned] 18K White Gold Pink Sapphire Ring, PS 0.42ct, D 0.35ct, 7.5g, #12](http://koufuku.jp/cdn/shop/files/2000000043944_2.jpg?v=1750923953&width=480)
![[Pre-owned] 18K White Gold Pink Sapphire Ring, PS 1.50ct, D 0.19ct, 3.1g, #13](http://koufuku.jp/cdn/shop/files/2000000035956_2.jpg?v=1762391102&width=480)
![[Pre-owned] 18K White Gold Pink Sapphire Ring, PS 1.98ct, D 0.98ct, 15.4g, #13](http://koufuku.jp/cdn/shop/files/2000000114682_2.jpg?v=1762391101&width=480)
![[Pre-owned] K18WG RUBELLITE TOURMALINE (Red Tourmaline) Ring, T23.55ct, D0.70ct, 16.0g, #14](http://koufuku.jp/cdn/shop/files/2000000039169_2.jpg?v=1765877332&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)
