Gems, Jewelry and Precious Metals
Showing 1386 products
![[Pre-owned] K18WG SAPPHIRE RING Sapphire Ring S2.05ct D1.00ct 6.4g #12.5](http://koufuku.jp/cdn/shop/files/2000000040615_2.jpg?v=1768806609&width=480)
![[Pre-owned] CHANEL K18WG DIAMOND RING Diamond Ring 18.0g One Price](http://koufuku.jp/cdn/shop/files/2000000020297_2.jpg?v=1768806609&width=480)
![[Pre-owned] DAMIANI Damiani Ring, 18K White Gold/Quartz, Spikki Dilna Ring, Brown Diamond, Sorting, 16.5g, #13, One Price](http://koufuku.jp/cdn/shop/files/2000000120607_3.jpg?v=1768806608&width=480)
![[Pre-owned] K18WG JADEITE RING Jadeite Ring Jadeite 2.71ct Diameter 0.38ct 4.6g #13](http://koufuku.jp/cdn/shop/files/2000000039909_2.jpg?v=1768806608&width=480)
![[Used] T&Co Tiffany Atlas Ring, SV925, 9.6g, #10, One Price](http://koufuku.jp/cdn/shop/files/2000000121994_2.jpg?v=1768808620&width=480)
![[Pre-owned] K18WG SOUTH SEA PEARL RING White Butterfly Pearl Ring P13.6mm D0.54ct 8.6g #13](http://koufuku.jp/cdn/shop/files/2000000083780_2.jpg?v=1768808619&width=480)
![[Pre-owned] K18WG STAR SAPPHIRE Ring, SS14.00ct, D0.89ct, 8.9g, #13.5](http://koufuku.jp/cdn/shop/files/2000000050355_2.jpg?v=1768808620&width=480)
![[Pre-owned] PT900 SAPPHIRE RING, S4.08ct, D1.524ct, CGL Sorting, 17.0g, #14.5](http://koufuku.jp/cdn/shop/files/2000000028927_3.jpg?v=1768808620&width=480)
![[Used] K18WG Emerald Ring E1.73ct 0.24ct 2.7g #11](http://koufuku.jp/cdn/shop/files/2000000036144_2.jpg?v=1768808620&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.
![[Pre-owned] K18WG ALEXANDRITE RING Alexandrite Diamond Ring A1.00ct D0.80ct 5.6g #15](http://koufuku.jp/cdn/shop/files/2000000008844_2.jpg?v=1768808620&width=480)
![[Used] K18YG Emerald Ring Emerald 0.48ct E0.30ct D0.28ct 4.5g #14](http://koufuku.jp/cdn/shop/files/2000000127521_2.jpg?v=1768808620&width=480)
![[Pre-owned] K18WG SAPPHIRE RING, S1.04ct, D0.25ct, CGL Sorting, 4.8g, #16](http://koufuku.jp/cdn/shop/files/2000000124919_3.jpg?v=1768808620&width=480)
![[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)
