Showing 1288 products
![[Used] PT900 SAPPHIRE RING Sapphire Ring S10.633ct D2.503ct 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)
![[Used] PT900 SAPPHIRE RING 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)
![[Used] PT900 SAPPHIRE RING Sapphire ring S6.85ct D1.91ct CGL sorting 15.4g #12](http://koufuku.jp/cdn/shop/files/2000000001159_3.jpg?v=1768444693&width=480)
![[Used] PT900 SAPPHIRE RING Sapphire Ring S9.14ct D1.30ct 16.2g #12](http://koufuku.jp/cdn/shop/files/2000000020952_2.jpg?v=1768444839&width=480)
![[Used] PT900 SAPPHIRE RING Sri Lankan Sapphire Ring S7.75ct D1.63ct GIA Certificate 12.5g #9](http://koufuku.jp/cdn/shop/files/2000000020006_3.jpg?v=1768444829&width=480)
![[Pre-owned] PT900 SAPPHIRE RING, Sri Lankan Sapphire Ring, S4.53ct, D1.00ct, GRS, Certificate, 8.1g, #13](http://koufuku.jp/cdn/shop/files/2000000090719_4.jpg?v=1768808621&width=480)
![[Pre-owned] PT900 SAPPHIRE RING, Sri Lankan sapphire ring, S5.398ct, D0.65ct, GRS certificate, 12.1g, #11](http://koufuku.jp/cdn/shop/files/2000000011936_4.jpg?v=1768444713&width=480)
![[Used] PT900 SAPPHIRE RING Sapphire Ring S2.57ct D1.51ct 14.3g #15](http://koufuku.jp/cdn/shop/files/2000000071954_2.jpg?v=1768882396&width=480)
![[Pre-owned] PT900 SAPPHIRE RUBY Sapphire and Ruby Ring, S 0.73ct, R 0.40ct, D 0.247ct, 5.5g, #12](http://koufuku.jp/cdn/shop/files/2000000021980_2.jpg?v=1752392527&width=480)
![[Used] PT900 SAPPHIRE ring S0.97ct D0.45ct 4.4g #11](http://koufuku.jp/cdn/shop/files/71992_01.jpg?v=1743141901&width=480)
![[Used] PT900 SAPPHIRE Ring S2.10ct D0.40ct 6.5g #12](http://koufuku.jp/cdn/shop/files/2000000000275_2.jpg?v=1744858472&width=480)
![[Used] PT900 SAPPHIRE Unheated Sapphire Ring S1.04ct D0.26ct 6g GIA Certificate of Origin](http://koufuku.jp/cdn/shop/files/2000000021751_3.jpg?v=1743403204&width=480)
![[Used] PT900 SAPPHIRE Sapphire Ring, S1.94ct, D0.06ct, 12.4g, #11](http://koufuku.jp/cdn/shop/files/2000000114279_2.jpg?v=1762397785&width=480)
![[Used] PT900 SAPPHIRE Sapphire Ring S0.37ct D0.30ct 3.4g #8](http://koufuku.jp/cdn/shop/files/2000000066516_2.jpg?v=1744892625&width=480)
![[Used] PT900 SAPPHIRE Sapphire Ring, S0.45ct, D0.17ct, 3.8g, #8.5](http://koufuku.jp/cdn/shop/files/2000000086149_2.jpg?v=1752392450&width=480)
![[Used] PT900 SAPPHIRE Sapphire Ring, S1.11ct, D0.24ct, 6.5g](http://koufuku.jp/cdn/shop/files/2000000117430_2.jpg?v=1765175628&width=480)
![[Used] PT900 SAPPHIRE Sapphire Ring S1.12ct D0.28ct 9.2g #11.5](http://koufuku.jp/cdn/shop/files/2000000018485_2.jpg?v=1744889949&width=480)
KOUFUKU is an e-commerce site that handles a wide range of products, from jewelry and precious metals to brand bags, brand watches, brand apparel, and tableware. In addition to sales, we also offer a purchase service.
![[Pre-owned] MIKIMOTO PT950 ALEXANDRITE RING, A 0.42ct, D 0.62ct, 6.1g, #15, ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000123844_3.jpg?v=1768882396&width=480)
