Showing 1288 products
![[Pre-owned] PT900/PT850 Diamond Pendant Necklace 0.429ct D0.41ct 4.3g](http://koufuku.jp/cdn/shop/files/2000000021973_2.jpg?v=1765161777&width=480)
![[Used] PT900 OPAL Black Opal Ring, BO 3.74ct, D 0.14ct, 7.4g, #17](http://koufuku.jp/cdn/shop/files/2000000016795_2.jpg?v=1763176059&width=480)
![[Pre-owned] PT950 BLACK OPAL Black Opal Ring, BO4.57ct, D2.74ct, 9.5g, #11.5](http://koufuku.jp/cdn/shop/files/2000000031125_2.jpg?v=1763176059&width=480)
![[Used] PT950 SAPPHIRE Sapphire Ring, S1.31ct, D1.57ct, 6.4g, #12](http://koufuku.jp/cdn/shop/files/2000000018898_2.jpg?v=1763175991&width=480)
![[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)
![[Used] PT950 Black Opal Ring, BO1.21ct, D1.11ct, 8.9g, #11.5](http://koufuku.jp/cdn/shop/files/2000000004471_2.jpg?v=1760667250&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)
