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![[Used] K18WG PURPLE SAPPHIRE RING PS1.428ct D0.93ct 4.5g #12.5](http://koufuku.jp/cdn/shop/files/2000000070025_2.jpg?v=1760667250&width=480)
![[Used] K18WG Tanzanite Ring, T2.89ct, D0.44ct, 3.8g, #13](http://koufuku.jp/cdn/shop/files/2000000045375_3.jpg?v=1760667249&width=480)
![[Pre-owned] K18WG SAPPHIRE Sapphire Ring, S2.08ct, D0.98ct, 4.8g, #13](http://koufuku.jp/cdn/shop/files/2000000045788_2.jpg?v=1760667249&width=480)
![[Pre-owned] K18WG White Opal Opal Ring, OP 2.44ct, D 0.20ct, 3.0g, #13](http://koufuku.jp/cdn/shop/files/2000000036854_2.jpg?v=1760667249&width=480)
![[Used] PT900 Diamond Ring, 1.00ct, Certified 8.2g](http://koufuku.jp/cdn/shop/files/2000000051567_2.jpg?v=1760609369&width=480)
![[Pre-owned] TASAKI K18WG Amethyst Ring D0.11ct 8.2g #12 ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000068855_2.jpg?v=1760608254&width=480)
![[Pre-owned] K18YG SAPPHIRE Ring, S0.65ct, D0.91ct, 5.7g, #13](http://koufuku.jp/cdn/shop/files/2000000105628_2.jpg?v=1759990523&width=480)
![[Used] K18YG SAPPHIRE RING S1.25ct D0.47ct CGL Sorting 8.2g #8](http://koufuku.jp/cdn/shop/files/2000000043074_3.jpg?v=1759990523&width=480)
![[Used] K18YG SAPPHIRE RING Cabochon Cut Sapphire Ring S1.44ct D0.43ct 9.7g #12](http://koufuku.jp/cdn/shop/files/2000000047010_2.jpg?v=1759990523&width=480)
![[Used] K18YG SAPPHIRE RING Sapphire Ring S0.59ct D0.27ct 6.0g #12](http://koufuku.jp/cdn/shop/files/2000000069616_2.jpg?v=1759990523&width=480)
![[Used] PT900 SAPPHIRE Sapphire Ring, S0.932ct, D0.07ct, 2.9g, #13](http://koufuku.jp/cdn/shop/files/2000000026657_2.jpg?v=1759990523&width=480)
![[Used] PT900 SAPPHIRE Sapphire Ring, S1.66ct, D0.39ct, 6.3g, #15](http://koufuku.jp/cdn/shop/files/2000000029603_2.jpg?v=1759990506&width=480)
![[Used] PT900 SAPPHIRE Sapphire Ring, S0.54ct, D0.20ct, 6.6g, #8](http://koufuku.jp/cdn/shop/files/2000000088921_2.jpg?v=1759990506&width=480)
![[Used] PT900 SAPPHIRE Ring, S1.90ct, D0.57ct, Nihon Hokkyo, 7.9g, #11](http://koufuku.jp/cdn/shop/files/2000000015071_3.jpg?v=1759990506&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)
![[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)
![[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)
![[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)
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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)
![Used] K18YG ENAMEL PENDANT NECKLACE 13.4g](http://koufuku.jp/cdn/shop/files/2000000134116_2.jpg?v=1778489330&width=480)
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