Gems, Jewelry and Precious Metals
Showing 1386 products
![[Used] PT900 SAPPHIRE RING Sapphire Ring S9.14ct D1.30ct 16.2g #12](http://koufuku.jp/cdn/shop/files/2000000020952_2.jpg?v=1768444839&width=480)
![[Pre-owned] BUCCELLATI 18K Yellow Gold Diamond Bangle, 23g Diamond, One Price](http://koufuku.jp/cdn/shop/files/2000000109862_2.jpg?v=1768446384&width=480)
![[Used] PT900 Jadeite Ring, Jadeite 1.78ct, Diameter 0.30ct, 5.5g, #14](http://koufuku.jp/cdn/shop/files/2000000048970_2.jpg?v=1768446384&width=480)
![[Used] K18YG DIAMOND RING Diamond Ring D1.62ct 6.1g #14](http://koufuku.jp/cdn/shop/files/2000000091686_2.jpg?v=1768446384&width=480)
![[Used] PT900 Jadeite Ring, Jadeite 5.88ct, Diameter 0.58ct, 6.7g, #14](http://koufuku.jp/cdn/shop/files/2000000090023_2.jpg?v=1768446384&width=480)
![[Pre-owned] K18YG LAZURITE RING Lapis Lazuli Ring Figurative Design 13.2g #13](http://koufuku.jp/cdn/shop/files/2000000087597_2.jpg?v=1768446423&width=480)
![[Used] PT900 Emerald Ring Emerald 0.66ct D0.60ct 5.3g #12.5](http://koufuku.jp/cdn/shop/files/2000000115122_2.jpg?v=1768446422&width=480)
![[Used] PT900 Jadeite Ring, Jadeite 13.16ct, D1.87ct, 13.9g, #16](http://koufuku.jp/cdn/shop/files/2000000082417_2.jpg?v=1768446423&width=480)
![[Pre-owned] K18WG OPAL RING Opal Ring OP 0.93ct D 0.12ct 3.4g #13.5](http://koufuku.jp/cdn/shop/files/2000000045191_2.jpg?v=1768800609&width=480)
![[Pre-owned] PT900 Star Sapphire Ring, 7.92ct Stone, 0.57ct Stone, 8.8g, #14](http://koufuku.jp/cdn/shop/files/2000000003917_2.jpg?v=1768800609&width=480)
![[Used] PT900 White Opal Ring, OP 0.80ct, D 0.30ct, 5.9g, #10](http://koufuku.jp/cdn/shop/files/2000000071749_2.jpg?v=1768800609&width=480)
![[Pre-owned] 18K White Gold Boulder Opal Ring, OP 4.09ct, D 0.51ct, 6.7g, #13](http://koufuku.jp/cdn/shop/files/2000000070650_2.jpg?v=1768800609&width=480)
![[Used] PT900 White Opal Ring, D0.43ct, 9.2g, #8.5](http://koufuku.jp/cdn/shop/files/2000000017716_2.jpg?v=1768800609&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, S2.00ct, D1.08ct, CGL Sorting, 9.5g, #15](http://koufuku.jp/cdn/shop/files/2000000019239_3.jpg?v=1768800609&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)
