Gems, Jewelry and Precious Metals
Showing 1707 products
![[Pre-owned] 18K Yellow Gold Ruby Ring, R0.91ct, D1.22ct, 8.1g, #11](http://koufuku.jp/cdn/shop/files/2000000068671_2.jpg?v=1759988719&width=480)
![[Used] PT900 SAPPHIRE Ring, S1.41ct, D0.32ct, 6.2g, #12](http://koufuku.jp/cdn/shop/files/2000000089263_2.jpg?v=1759988718&width=480)
![[Pre-owned] 18K Yellow Gold Sapphire Ring, S1.10ct, D0.13ct, 4.5g, #12.5](http://koufuku.jp/cdn/shop/files/2000000106595_2.jpg?v=1759988718&width=480)
![[Pre-owned] 18K Yellow Gold Sapphire Ring, S1.13ct, D0.93ct, 7.3g, #10.5](http://koufuku.jp/cdn/shop/files/2000000069272_2.jpg?v=1759988718&width=480)
![[Used] PT900 SAPPHIRE RING S1.09ct D0.75ct 6.9g #14](http://koufuku.jp/cdn/shop/files/2000000011301_2.jpg?v=1759988718&width=480)
![[Pre-owned] 18K Yellow Gold Ruby Ring, R 0.58ct, D 0.62ct, 7.0g, #12.5](http://koufuku.jp/cdn/shop/files/2000000087900_2.jpg?v=1759988719&width=480)
![[Used] PT900 SAPPHIRE Unheated Sapphire Ring, S1.118ct, D0.41ct, Nihon Hokyo, 6.0g, #17](http://koufuku.jp/cdn/shop/files/2000000024363_3.jpg?v=1759988718&width=480)
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![[Used] PT900 SAPPHIRE Sapphire Ring 2.02ct D0.12ct 4.1g #11.5](http://koufuku.jp/cdn/shop/files/2000000017136_2.jpg?v=1759988718&width=480)
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![[Used] PT900 SAPPHIRE RING Sri Lankan Unheated Sapphire Ring S2.56ct D0.11ct GIA Certificate 6.4g #16](http://koufuku.jp/cdn/shop/files/2000000072050_4.jpg?v=1759988719&width=480)
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![[Used] PT900 SAPPHIRE Ring, S2.76ct, D0.36ct, 6.8g, #11.5](http://koufuku.jp/cdn/shop/files/2000000016801_2.jpg?v=1759988719&width=480)
![[Pre-owned] K18YG SAPPHIRE Ring, S0.55ct, D1.25ct, 7.9g, #12](http://koufuku.jp/cdn/shop/files/2000000039633_2.jpg?v=1759988719&width=480)
![[Pre-owned] 18K Yellow Gold Ruby Ring, R 0.44ct, D 0.11ct, 4.4g, #11](http://koufuku.jp/cdn/shop/files/2000000009667_2.jpg?v=1759988719&width=480)
![[Used] PT900 Diamond and Sapphire Ring, D0.26ct, S0.55ct, 3.9g, #11](http://koufuku.jp/cdn/shop/files/2000000011387_2.jpg?v=1759988718&width=480)
![[Pre-owned] 18K Yellow Gold Ruby Ring, R0.79ct, D1.27ct, 9.2g, #14](http://koufuku.jp/cdn/shop/files/2000000002330_2.jpg?v=1759988719&width=480)
![[Used] 18K Yellow Gold RUBY Ruby Ring R1.46ct D0.52ct 4.7g 12](http://koufuku.jp/cdn/shop/files/DSC_6326.jpg?v=1775191051&width=480)
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![[Used] PT900 SAPPHIRE Ring, S2.51ct, D1.00, Nihon Hokyo So, 11.4g, #12](http://koufuku.jp/cdn/shop/files/2000000094618_3.jpg?v=1759988719&width=480)
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![[Pre-owned] 18K Yellow Gold Ruby Ring, R 0.69ct, D 0.73ct, 6.5g, #11](http://koufuku.jp/cdn/shop/files/2000000052540_2.jpg?v=1759988719&width=480)
![[Pre-owned] K18YG SAPPHIRE Ring, S1.00ct, D2.00ct, 9.3g, #14](http://koufuku.jp/cdn/shop/files/2000000070384_2.jpg?v=1759988719&width=480)
![[Used] PT900 SAPPHIRE Ring, S3.115ct, D0.39ct, Nihon Hokkyo, 7.4g, #7](http://koufuku.jp/cdn/shop/files/2000000024325_3.jpg?v=1759990497&width=480)
![[Used] PT900 SAPPHIRE Unheated Sapphire Ring from Madagascar 0.97 GRS 7.6g](http://koufuku.jp/cdn/shop/files/2000000018508_3.jpg?v=1759990497&width=480)
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Recommended Items![[Used] K18YG DIAMOND Ring D1.00 #11 Solitaire 3.9g](http://koufuku.jp/cdn/shop/files/2000000073590_8_04354e12-eb99-45f8-961b-74fbee55a5e7.jpg?v=1778745302&width=480)
![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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