Showing 1288 products
![[Pre-owned] K18WG DIAMOND EARRING Diamond earrings and pierced earrings D4.00ct 12.5g](http://koufuku.jp/cdn/shop/files/2000000104805_2.jpg?v=1771480013&width=480)
![[Pre-owned] K18WG DIAMOND Necklace Diamond Pendant Necklace D0.50ct 3.4g](http://koufuku.jp/cdn/shop/files/2000000114170_2.jpg?v=1765161884&width=480)
![[Pre-owned] K18WG DIAMOND Necklace Diamond Pendant Necklace D0.97ct 3.9g](http://koufuku.jp/cdn/shop/files/2000000115832_2.jpg?v=1766992797&width=480)
![[Pre-owned] K18WG Diamond Pendant Necklace. 0.61ct 6.1g](http://koufuku.jp/cdn/shop/files/2000000111810_2.jpg?v=1765175629&width=480)
![[Pre-owned] K18WG DIAMOND RING Diamond Ring D0.51ct D0.48ct 5.3g #16.5](http://koufuku.jp/cdn/shop/files/2000000042558_2.jpg?v=1769397963&width=480)
![[Pre-owned] K18WG DIAMOND RING Brown & Colorless Diamond Ring D1.77ct 13.6g #18](http://koufuku.jp/cdn/shop/files/2000000123288_2.jpg?v=1768882396&width=480)
![[Pre-owned] K18WG DIAMOND Sakura Cut Diamond Ring 0.176cr D0.25ct 5.8g #12](http://koufuku.jp/cdn/shop/files/2000000090429_2.jpg?v=1750923952&width=480)
![[Pre-owned] K18WG DIAMOND Colorless & Black Diamond Ring D0.26ct 2.2g #11.5](http://koufuku.jp/cdn/shop/files/2000000124650_2.jpg?v=1766219021&width=480)
![[Used] K18WG DIAMOND Ring D0.46ct 5.7g #14](http://koufuku.jp/cdn/shop/files/2000000053493_2.jpg?v=1765877332&width=480)
![[Pre-owned] K18WG DIAMOND Diamond Full Eternity Ring D3.25ct 4.8g #13](http://koufuku.jp/cdn/shop/files/2000000069326_2.jpg?v=1750472223&width=480)
![[Used] K18WG DIAMOND Necklace D5.10ct 33.4g](http://koufuku.jp/cdn/shop/files/2000000003962_2.jpg?v=1765163849&width=480)
![[Pre-owned] K18WG DIAMOND Bracelet D0.92ct 11.5g 18cm](http://koufuku.jp/cdn/shop/files/2000000030197_2.jpg?v=1762316313&width=480)
![[Pre-owned] 18K White Gold Diamond Bracelet, 2.00ct, 10.6g, 18cm, with Sorting Card](http://koufuku.jp/cdn/shop/files/2000000030319_4.jpg?v=1769655134&width=480)
![[Pre-owned] K18WG DIAMOND Ring 0.50ct 3.3g #11.5](http://koufuku.jp/cdn/shop/files/2000000075334_3.jpg?v=1750923953&width=480)
![[Used] K18WG DIAMOND Diamond Ring 7.0g #8.5](http://koufuku.jp/cdn/shop/files/2000000042039_2.jpg?v=1763176024&width=480)
![[Used] K18WG DIAMOND Diamond Ring D1.00ct 7.3g #16](http://koufuku.jp/cdn/shop/files/2000000027364_2.jpg?v=1765879251&width=480)
![[Pre-owned] K18WG DIAMOND Ring, D1.13ct, GGC Certificate, 3.1g, #12](http://koufuku.jp/cdn/shop/files/2000000069357_3.jpg?v=1750472222&width=480)
![[Used] K18WG DIAMOND Diamond Ring D2.07ct 8.7g #13.5](http://koufuku.jp/cdn/shop/files/2000000036946_2.jpg?v=1769397964&width=480)
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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 DIAMOND Black & Colorless Diamond Pinky Ring, BD0.40ct, D0.28ct, 4.5g, #4](http://koufuku.jp/cdn/shop/files/2000000073088_2.jpg?v=1765877458&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)
