Gems, Jewelry and Precious Metals
Showing 1386 products
![[Pre-owned] PT900/K18YG DIAMOND RING D0.59ct 8.1g #8.5](http://koufuku.jp/cdn/shop/files/2000000126609_2.jpg?v=1767586002&width=480)
![[Used] PT900 DIAMOND V-Line Ring, D0.46ct, 5.8g, #12](http://koufuku.jp/cdn/shop/files/2000000121840_2.jpg?v=1767586014&width=480)
![[Pre-owned] K18YG/WG RUBY Ruby Ring D0.42ct 6.8g #13](http://koufuku.jp/cdn/shop/files/2000000121680_2.jpg?v=1767586014&width=480)
![[Pre-owned] 18K Yellow Gold Diamond Ring, Diamond and Ruby, D0.40ct, 3.1g, #12.5](http://koufuku.jp/cdn/shop/files/2000000087917_2.jpg?v=1767586039&width=480)
![[Used] PT900 RUBY Ruby Ring R4.09ct D0.21ct 8.6g #16](http://koufuku.jp/cdn/shop/files/2000000125954_2.jpg?v=1767586070&width=480)
![[Pre-owned] K18PG DIAMOND RING Diamond Belt Ring D0.40ct 8.4g #12.5](http://koufuku.jp/cdn/shop/files/2000000121895_2.jpg?v=1768185637&width=480)
![[Pre-owned] K18YG SAPPHIRE RING Sapphire ring S0.906ct D0.36ct 7.0g #12](http://koufuku.jp/cdn/shop/files/2000000117225_2.jpg?v=1768185637&width=480)
![[Used] 18KYG SAPPHIRE Sapphire Ring 6.2g #11](http://koufuku.jp/cdn/shop/files/2000000049045_2.jpg?v=1768185637&width=480)
![[Pre-owned] Charite K18YG Moonstone Ring D0.04ct 2.2g #9](http://koufuku.jp/cdn/shop/files/2000000045054_2.jpg?v=1768185641&width=480)
![[Pre-owned] GUCCI SV Interlocking G Ring 6.9g #12.5 One Price](http://koufuku.jp/cdn/shop/files/2000000122021_2.jpg?v=1768185641&width=480)
![[Pre-owned] 18K Yellow Gold Ruby Ring, 0.80ct R, 0.18ct D, 4.1g](http://koufuku.jp/cdn/shop/files/2000000115566_2.jpg?v=1768185890&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)
