Showing 1787 products
![[Pre-owned] PT900 SAPPHIRE Sapphire Ring S3.42ct D0.59ct 8.5g #19.5](http://koufuku.jp/cdn/shop/files/2000000084817_2.jpg?v=1767585888&width=480)
![[Pre-owned] PT900 SAPPHIRE Ring S0.40ct D0.27ct #11](http://koufuku.jp/cdn/shop/files/21737_01.jpg?v=1743141710&width=480)
![[Pre-owned] PT900 Sri Lankan Unheated Sapphire Ring S5.14ct D0.39ct with GIA Report, 6.6g, Size 13](http://koufuku.jp/cdn/shop/files/2000000017204_3.jpg?v=1765175628&width=480)
![[Pre-owned] PT900 Sapphire, Burmese Unheated Sapphire Ring, S3.39ct D1.30ct, GIA Report, 10.9g, #10](http://koufuku.jp/cdn/shop/files/2000000015064_3.jpg?v=1767585888&width=480)
![[Pre-owned] PT900 Unheated Cambodian Sapphire Ring, S1.62ct D1.16ct, GIA Report, 5.4g, Size 11](http://koufuku.jp/cdn/shop/files/2000000007939_3.jpg?v=1763176025&width=480)
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![[Pre-owned] PT900 SAPPHIRE Ring S2.14ct D0.28ct 5.6g #15](http://koufuku.jp/cdn/shop/files/2000000016467_2.jpg?v=1752392528&width=480)
![[Pre-owned] PT900 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] PT900 SAPPHIRE Ring, S1.02ct D0.10ct, with GRJ Grading Report, 5.8g, Size 9](http://koufuku.jp/cdn/shop/files/2000000124995_3.jpg?v=1766801414&width=480)
![[Pre-owned] PT900 SAPPHIRE Ring S0.54ct D0.20ct 6.6g #8](http://koufuku.jp/cdn/shop/files/2000000088921_2.jpg?v=1759990506&width=480)
![[Pre-owned] PT900 SAPPHIRE Ring S0.71ct D0.17ct 5.0g #14](http://koufuku.jp/cdn/shop/files/2000000044880_2.jpg?v=1765159208&width=480)
![[Pre-owned] PT900 SAPPHIRE Ring S0.932ct D0.07ct 2.9g #13](http://koufuku.jp/cdn/shop/files/2000000026657_2.jpg?v=1759990523&width=480)
![[Pre-owned] PT900 SAPPHIRE Ring S0.986ct D0.31ct 5.9g #14](http://koufuku.jp/cdn/shop/files/2000000090955_2.jpg?v=1763176059&width=480)
![[Pre-owned] 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] PT900 SAPPHIRE Ring S1.44ct D0.54ct 6.5g #14.5](http://koufuku.jp/cdn/shop/files/2000000028248_2.jpg?v=1767585888&width=480)
![[Pre-owned] PT900 Sapphire Ring, S1.54ct, D0.677ct, with GRJ Grading Report, 10.7g, Size 15](http://koufuku.jp/cdn/shop/files/2000000018546_3.jpg?v=1763175990&width=480)
![[Pre-owned] PT900 SAPPHIRE Ring S1.59ct D0.80ct 8.1g #15](http://koufuku.jp/cdn/shop/files/2000000092454_2.jpg?v=1766802912&width=480)
![[Pre-owned] PT900 SAPPHIRE Ring S1.66ct D0.39ct 6.3g #15](http://koufuku.jp/cdn/shop/files/2000000029603_2.jpg?v=1759990506&width=480)
![[Pre-owned] PT900 SAPPHIRE Ring S1.68ct D0.65ct 8.6g #8](http://koufuku.jp/cdn/shop/files/2000000090573_2.jpg?v=1762391121&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] PT900 SAPPHIRE Ring S1.90ct D0.57ct NGL Cert. 7.9g #11](http://koufuku.jp/cdn/shop/files/2000000015071_3.jpg?v=1759990506&width=480)
![[Pre-owned] PT900 Sapphire Ring, S2.51ct D1.00ct, JJA Certified, 11.4g, Size 12](http://koufuku.jp/cdn/shop/files/2000000094618_3.jpg?v=1759988719&width=480)
![[Pre-owned] PT900 SAPPHIRE Ring S3.115ct D0.39ct JJA Appraised 7.4g #7](http://koufuku.jp/cdn/shop/files/2000000024325_3.jpg?v=1759990497&width=480)
![[Pre-owned] PT900 Sapphire Ring, S4.132ct, D0.15ct, with NGL Appraisal, 7.8g, Size 11](http://koufuku.jp/cdn/shop/files/2000000095561_3.jpg?v=1765877448&width=480)
![[Pre-owned] PT900 Sapphire Ring, S4.19ct D1.00ct, with CGL Sorting, 15.5g, Size 13.5](http://koufuku.jp/cdn/shop/files/2000000012049_3.jpg?v=1768808641&width=480)
![[Pre-owned] PT900 Sri Lankan Sapphire Ring S10.07ct D3.26ct with GRS Royal Blue Certificate, 21.5g, Size 12.5](http://koufuku.jp/cdn/shop/files/2000000011981_3.jpg?v=1763176025&width=480)
![[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)