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![[Pre-owned] 18K White Gold Ruby Ring, Unheated Ruby from Mozambique, R2.02ct, D0.64ct, GRS Certificate Included, 5.1g, 14ct](http://koufuku.jp/cdn/shop/files/2000000071497_3.jpg?v=1764830276&width=480)
![[Pre-owned] K18WG RUBY Ruby Necklace R4.40ct D3.70ct 58.2g](http://koufuku.jp/cdn/shop/files/2000000114484_2.jpg?v=1765161777&width=480)
![[Pre-owned] K18WG RUBY Ruby Ring, R0.54ct, D0.03ct, 3.0g, #15.5](http://koufuku.jp/cdn/shop/files/2000000044361_2.jpg?v=1764830277&width=480)
![[Pre-owned] K18WG RUBY Ruby Ring R1.73ct D0.1 7ct.4.0g #11.5](http://koufuku.jp/cdn/shop/files/DSC_2057.jpg?v=1761633954&width=480)
![[Pre-owned] K18WG RUBY Ruby Ring R10.05ct D2.23ct 14.4g #13.5](http://koufuku.jp/cdn/shop/files/2000000045122_2.jpg?v=1765159208&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 RUBY Ruby and Diamond Ring, R2.40ct, D0.33ct, 7.0g, #17](http://koufuku.jp/cdn/shop/files/2000000087269_2.jpg?v=1762397786&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)
