Showing 1288 products
![[Pre-owned] 18K White Gold Jadeite Jadeite Ring, J4.99ct, D0.56ct, Japan Gemological Association Sorting, 6.1g, #12](http://koufuku.jp/cdn/shop/files/2000000044187_2.jpg?v=1760667250&width=480)
![[Pre-owned] K18WG JADEITEZ Jadeitez Ring, Jadeitez 1.70ct, Dadeitez 0.43ct, 3.5g, #16](http://koufuku.jp/cdn/shop/files/2000000040806_2.jpg?v=1762391177&width=480)
![[Pre-owned] K18WG Jadeite Jadeite Ring J1.93ct D1.66ct 6.5g #13.5](http://koufuku.jp/cdn/shop/files/2000000039411_2.jpg?v=1762316313&width=480)
![[Pre-owned] K18WG Jadeite Jadeite Ring J10.45ct D0.36ct 6.6g #13](http://koufuku.jp/cdn/shop/files/2000000034263_2.jpg?v=1762391162&width=480)
![[Pre-owned] K18WG Jadeite Jadeite Ring J4.31ct D1.50ct 5.6g #13.5](http://koufuku.jp/cdn/shop/files/2000000039404_2.jpg?v=1762391100&width=480)
![[Pre-owned] K18WG Jadeite Jadeite Ring J4.65ct D0.15ct 3.6g #13](http://koufuku.jp/cdn/shop/files/2000000036397_2.jpg?v=1763176059&width=480)
![[Pre-owned] K18WG KUNZITE Ring K6.60ct D0.20ct 9.20g #10.5](http://koufuku.jp/cdn/shop/files/2000000043876_2.jpg?v=1766219022&width=480)
![[Used] K18WG KUNZITE Ring K13.80ct D1.66ct 12.60g #14](http://koufuku.jp/cdn/shop/files/2000000044118_2.jpg?v=1765012877&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 MULTI STONE RING Multi-colored stone ring Y 0.20 S 0.25 D 0.20 5.1g](http://koufuku.jp/cdn/shop/files/2000000125169_2.jpg?v=1771316784&width=480)
![[Pre-owned] K18WG Multi Ruby and Sapphire Pendant Necklace D0.45ct 6.5g](http://koufuku.jp/cdn/shop/files/2000000002705_3.jpg?v=1763176127&width=480)
![[Pre-owned] K18WG MULTI Multicolor Stone Pendant Necklace D0.08ct 3.7g](http://koufuku.jp/cdn/shop/files/2000000106984_2.jpg?v=1765175628&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)
