Showing 1787 products
![[Used] PT900 SAPPHIRE RING Orange Sapphire Ring S1.62ct D0.35ct with sorting 11.1g #13.5](http://koufuku.jp/cdn/shop/files/2000000100166_3.jpg?v=1783331765&width=480)
![[Pre-owned] PT900 SAPPHIRE RING Sapphire/Ruby Ring S1.11ct R0.45ct D1.00ct 14.8g](http://koufuku.jp/cdn/shop/files/2000000123240_2.jpg?v=1768882394&width=480)
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![[Pre-owned] PT900 SAPPHIRE RING, S2.00ct D1.08ct, CGL Sorting, 9.5g, #15](http://koufuku.jp/cdn/shop/files/2000000019239_3.jpg?v=1768800609&width=480)
![[Pre-owned] PT900 SAPPHIRE RING S0.43ct D0.31ct with Appraisal Certificate 7.4g #10](http://koufuku.jp/cdn/shop/files/2000000127224_3.jpg?v=1771658186&width=480)
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![[Pre-owned] PT900 SAPPHIRE RING S0.58ct D0.20ct 6.3g #11](http://koufuku.jp/cdn/shop/files/2000000090542_2.jpg?v=1771665152&width=480)
![[Pre-owned] PT900 SAPPHIRE RING S0.96ct D0.26ct 4.6g #13](http://koufuku.jp/cdn/shop/files/2000000127552_2.jpg?v=1771658187&width=480)
![[Pre-owned] PT900 SAPPHIRE RING S1.01ct D0.40ct 3.5g #11](http://koufuku.jp/cdn/shop/files/2000000007854_2.jpg?v=1768444652&width=480)
![[Pre-owned] PT900 SAPPHIRE RING S1.07ct D0.10ct 5.3g #12](http://koufuku.jp/cdn/shop/files/2000000019482_2.jpg?v=1785995246&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 RING S1.24ct D0.64ct CGL Certificate #14 11.6g](http://koufuku.jp/cdn/shop/files/2000000071640_2.jpg?v=1746162159&width=480)
![[Pre-owned] PT900 SAPPHIRE RING S1.27ct D0.41ct CGL Sorting 6.6g #11](http://koufuku.jp/cdn/shop/files/2000000090474_3.jpg?v=1768444838&width=480)
![[Pre-owned] PT900 SAPPHIRE RING S1.28ct D0.31ct 8.0g #10.5](http://koufuku.jp/cdn/shop/files/2000000133423_2.jpg?v=1771316660&width=480)
![[Pre-owned] PT900 SAPPHIRE RING S1.35ct D0.65ct with NGL Appraisal, 13.0g, Size 14](http://koufuku.jp/cdn/shop/files/2000000018959_2.jpg?v=1768800610&width=480)
![[Pre-owned] PT900 SAPPHIRE RING, Sapphire 1.81ct, Diamond 0.44ct, with grading report, 5.1g, Size 15](http://koufuku.jp/cdn/shop/files/2000000069449_3.jpg?v=1768882395&width=480)
![[Pre-owned] PT900 SAPPHIRE RING S1.877ct D0.51ct 5.6g #10.5](http://koufuku.jp/cdn/shop/files/2000000095608_2.jpg?v=1768882395&width=480)
![[Pre-owned] PT900 SAPPHIRE RING S1.96ct D0.23ct 9.2g #10](http://koufuku.jp/cdn/shop/files/2000000019994_2.jpg?v=1765175629&width=480)
![[Pre-owned] PT900 SAPPHIRE RING Sapphire 10.633ct Diamond 2.503ct 14.5g #13](http://koufuku.jp/cdn/shop/files/2000000081915_2.jpg?v=1768444692&width=480)
![[Pre-owned] PT900 SAPPHIRE RING S2.12ct D1.92ct CGL Sorting 11.6g #11.5](http://koufuku.jp/cdn/shop/files/2000000008813_3.jpg?v=1768444714&width=480)
![[Pre-owned] PT900 SAPPHIRE RING S3.13ct D0.27ct 6.6g #11](http://koufuku.jp/cdn/shop/files/2000000016078_2.jpg?v=1768197671&width=480)
![[Pre-owned] PT900 SAPPHIRE RING, S4.08ct, D1.524ct, CGL Sorting, 17.0g, #14.5](http://koufuku.jp/cdn/shop/files/2000000028927_3.jpg?v=1768808620&width=480)
![[Pre-owned] PT900 SAPPHIRE RING S6.85ct D1.91ct CGL Sorting 15.4g #12](http://koufuku.jp/cdn/shop/files/2000000001159_3.jpg?v=1768444693&width=480)
![[Pre-owned] PT900 SAPPHIRE RING, S7.25ct, D0.87ct, AIGS Appraisal Report, 10.3g, Size 15](http://koufuku.jp/cdn/shop/files/2000000095073_4.jpg?v=1768444672&width=480)
![[Pre-owned] PT900 SAPPHIRE RING Sapphire 9.14ct Diamond 1.30ct 16.2g #12](http://koufuku.jp/cdn/shop/files/2000000020952_2.jpg?v=1768444839&width=480)
KOUFUKU is an e-commerce site that offers a wide range of products, including jewelry, precious metals, designer bags, designer watches, designer apparel, and tableware. In addition to retail sales, we also provide purchase services.
![[Pre-owned] MITSUKOSHI K18YG Ruby & Diamond Ring R0.79ct D0.82ct 7.8g #12.5](http://koufuku.jp/cdn/shop/files/2000000145907_2.jpg?v=1788151913&width=480)
![[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)