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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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![[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)
![[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] 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, R 0.44ct, D 0.11ct, 4.4g, #11](http://koufuku.jp/cdn/shop/files/2000000009667_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)
![[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] 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 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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![[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 Ring, S1.41ct, D0.32ct, 6.2g, #12](http://koufuku.jp/cdn/shop/files/2000000089263_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)
![[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)
![[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 Ruby Ring, R0.91ct, D1.22ct, 8.1g, #11](http://koufuku.jp/cdn/shop/files/2000000068671_2.jpg?v=1759988719&width=480)
![[Pre-owned] 18K Yellow Gold Ruby and Diamond Ring, R2.75ct, D0.75ct, 10.0g, #11.5](http://koufuku.jp/cdn/shop/files/DSC_2014.jpg?v=1761632530&width=480)
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![[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)
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![[Used] PT900 NO HEAT SAPPHIRE RING Sri Lankan Unheated Sapphire Ring S5.40ct D1.19ct GIA Certificate 10.4g #11.5](http://koufuku.jp/cdn/shop/files/2000000133799_3.jpg?v=1777881348&width=480)
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