Showing 1739 products
![[Pre-owned] 18K Yellow Gold Ruby Ring, R 0.68ct, D 0.28ct, 5.7g, #9.5](http://koufuku.jp/cdn/shop/files/2000000105574_2.jpg?v=1764915892&width=480)
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![[Used] K18YG/PT950 RUBY Ruby Ring D0.03ct 2.3g](http://koufuku.jp/cdn/shop/files/2000000099453_2.jpg?v=1764915892&width=480)
![[Pre-owned] 18K Yellow Gold Ruby Ring, R 0.65ct, D 0.80ct, 7.5g, #10](http://koufuku.jp/cdn/shop/files/2000000117508_2.jpg?v=1764915892&width=480)
![Used] K18WG RUBY NECKLACE Untreated Ruby Necklace 1.05ct D0.52ct "Pigeon Blood" AIGS Gemstone Report 3.2g](http://koufuku.jp/cdn/shop/files/2000000050805_4.jpg?v=1764915891&width=480)
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![[Pre-owned] 18K Yellow Gold Ruby Ring, R 0.96ct, D 0.70ct, 6.7g, #12](http://koufuku.jp/cdn/shop/files/2000000040110_2.jpg?v=1764915891&width=480)
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![[Pre-owned] K18WG Emerald Cat's Eye Ring, EC0.68ct, D0.33ct, 3.5g, #13.5](http://koufuku.jp/cdn/shop/files/2000000003016_2.jpg?v=1764830345&width=480)
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![[Pre-owned] 18K PG Rose Quartz Pendant Necklace RQ 12.33ct D0.56ct 10.7g](http://koufuku.jp/cdn/shop/files/2000000076652_2.jpg?v=1764830345&width=480)
![[Pre-owned] K18WG AQUAMARINE Aquamarine Pendant Necklace A0.54ct D0.37ct 5.5g](http://koufuku.jp/cdn/shop/files/2000000058474_2.jpg?v=1764830303&width=480)
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![[Used] PT850 Emerald Pendant Necklace E1.33ct D0.16ct 2.6g](http://koufuku.jp/cdn/shop/files/2000000106519_2.jpg?v=1764830303&width=480)
![[Pre-owned] K18WG RUBY Ruby Ring, R1.16ct, D0.15ct, 2.6g, #13.5](http://koufuku.jp/cdn/shop/files/2000000035987_2.jpg?v=1764830303&width=480)
![[Pre-owned] 18K Gold Tourmaline Rubellite (Red Tourmaline) Ring 5.2g #11](http://koufuku.jp/cdn/shop/files/2000000073521_2.jpg?v=1764830303&width=480)
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![[Used] PT850/PT900 EMERALD PENDANT NECKLACE Emerald Pendant Necklace D0.47ct 4.7g](http://koufuku.jp/cdn/shop/files/2000000111759_2.jpg?v=1764830303&width=480)
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![[Pre-owned] K18WG KUNZITE Pendant Necklace Necklace K5.77ct D0.20ct 6.7g](http://koufuku.jp/cdn/shop/files/2000000113081_2.jpg?v=1764830276&width=480)
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![[Used] PT1000/PT900 BLACK OPAL NECKLACE Black Opal Pendant Necklace BO7.57ct D1.34ct 10.7g](http://koufuku.jp/cdn/shop/files/2000000112718_2.jpg?v=1771816794&width=480)
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