Showing 1644 products
![[Pre-owned] 18K Yellow Gold TOURMALINE Black Tourmaline Round Bead Bracelet, 11.8g](http://koufuku.jp/cdn/shop/files/2000000080802_2.jpg?v=1762391062&width=480)
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![[Pre-owned] 18K Yellow Gold Turquoise Pearl Earrings, 1.2ct Tall, 0.02ct Drill Bits, 4.8g](http://koufuku.jp/cdn/shop/files/2000000129877_2.jpg?v=1771658081&width=480)
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![Used] K18YG YELLOW SAPPHIRE RING Bi-Color Sapphire Ring S2.618ct D0.93ct 8.9g #12](http://koufuku.jp/cdn/shop/files/2000000044224_2.jpg?v=1771814675&width=480)
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![[Pre-owned] K18YG Green Tourmaline Ring GT1.464ct 5.2g #14 with Certificate of Authenticity](http://koufuku.jp/cdn/shop/files/2000000043449_3.jpg?v=1750926454&width=480)
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![[Pre-owned] K18YG Diamond Ring Cat RING 5.1g #12.5](http://koufuku.jp/cdn/shop/files/2000000124483_2.jpg?v=1767586001&width=480)
![[Pre-owned] 18K Yellow Gold Morganite Pendant Necklace, M7.40ct, D1.43ct, 24.7g](http://koufuku.jp/cdn/shop/files/2000000117317_2.jpg?v=1765175629&width=480)
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![[Used] K18YG Freshwater Pearl Ring 3.5mm-6.5mm D0.21ct 9.4g #10.5](http://koufuku.jp/cdn/shop/files/2000000042565_2.jpg?v=1746162128&width=480)
![[Pre-owned] K18YG/PT900 OPAL RING Opal Ring OP 3.18ct D 0.07ct 7.0g #12](http://koufuku.jp/cdn/shop/files/2000000037332_2.jpg?v=1768806608&width=480)
![[Used] K18YG/K18WG DIAMOND RING D0.69ct 9.4g #20](http://koufuku.jp/cdn/shop/files/2000000052571_2.jpg?v=1771814805&width=480)
![[Used] K18YG/ONYX YELLOW SAPPHIRE RING YS1.32ct D0.28ct 11.2g #12 #15](http://koufuku.jp/cdn/shop/files/2000000133607_2.jpg?v=1777881348&width=480)
![[Pre-owned] K18YG/PG/WG DIAMOND RING Three-color gold diamond ring D0.74ct 8.0g #12](http://koufuku.jp/cdn/shop/files/2000000038674_2.jpg?v=1771665140&width=480)
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![[Used] K18YG/PT900 AKOYA PEARL BROOCH Akoya Pearl Pendant/Brooch P7.8-8.3mm D0.22 29.2g](http://koufuku.jp/cdn/shop/files/2000000041162_2.jpg?v=1768444828&width=480)
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![[Pre-owned] K18YG/PT900 DIAMOND RING Diamond Ring 0.10ct D0.04ct 8.3g #12.5](http://koufuku.jp/cdn/shop/files/2000000121178_2.jpg?v=1771053915&width=480)
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![[Pre-owned] K18YG/Pt900 DIAMOND RING Diamond Ring D0.42ct 16.7g #15](http://koufuku.jp/cdn/shop/files/2000000007045_2.jpg?v=1771665488&width=480)
![[Pre-owned] K18YG/PT900 DIAMOND RING Diamond Ring D1.00ct 13.6g #18](http://koufuku.jp/cdn/shop/files/2000000047362_2.jpg?v=1769398106&width=480)
![[Used] K18YG/PT900 DIAMOND RING D1.00ct 11.8g #13](http://koufuku.jp/cdn/shop/files/2000000124544_2.jpg?v=1767586002&width=480)
![[Pre-owned] K18YG/PT900 Emerald Ring, E0.98ct, D0.93ct, 11.4g, #15](http://koufuku.jp/cdn/shop/files/2000000069609_2.jpg?v=1760678194&width=480)
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![[Pre-owned] K18YG/PT900 RUBY RING Ruby Ring D0.22ct 4.1g #12](http://koufuku.jp/cdn/shop/files/2000000099361_2.jpg?v=1771665041&width=480)
![[Pre-owned] K18YG/PT900 White Opal Ring, OP 1.09ct, D 0.28ct, 7.7g, #14](http://koufuku.jp/cdn/shop/files/2000000037905_2.jpg?v=1766219054&width=480)
![[Used] K18YG/PT950 RUBY Ruby Ring D0.03ct 2.3g](http://koufuku.jp/cdn/shop/files/2000000099453_2.jpg?v=1764915892&width=480)
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![Used] K18YG ENAMEL PENDANT NECKLACE 13.4g](http://koufuku.jp/cdn/shop/files/2000000134116_2.jpg?v=1778489330&width=480)
![[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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