Showing 1787 products
![[Pre-owned] PT900 RUBY RING R3.03ct D0.34ct GRS Vivid Red Certificate 7.0g #13](http://koufuku.jp/cdn/shop/files/2000000012001_4.jpg?v=1785996867&width=480)
![[Pre-owned] PT900 RUBY RING R4.967ct D1.39ct with CGL Appraisal Report 10.4g #9](http://koufuku.jp/cdn/shop/files/2000000011554_3.jpg?v=1768444713&width=480)
![[Pre-owned] PT900 RUBY RING R7.75ct D1.26ct AIGS Vivid Pinkish Red with Appraisal Certificate 14.7g #12](http://koufuku.jp/cdn/shop/files/2000000022284_3.jpg?v=1768808621&width=480)
![[Used] PT900 RUBY RING Invisible Setting R0.47ct D0.41ct 8.4g #12](http://koufuku.jp/cdn/shop/files/2000000075525_2.jpg?v=1760667250&width=480)
![[Pre-owned] PT900 RUBY RING Ruby & Diamond Ring R0.88ct D1.70ct 8.8g #11](http://koufuku.jp/cdn/shop/files/2000000094977_2.jpg?v=1771665041&width=480)
![[Pre-owned] PT900 Thai Ruby Ring R1.22ct D0.65ct with GRS Certificate, 6.1g, Size 8](http://koufuku.jp/cdn/shop/files/2000000082400_4.jpg?v=1751698229&width=480)
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![[Pre-owned] PT900 Burmese Ruby Ring, R1.54ct D0.71ct, Size 12, with GRS Certificate](http://koufuku.jp/cdn/shop/files/2000000082493_3.jpg?v=1746247300&width=480)
![[Pre-owned] PT900 Burmese Ruby Ring, 0.43ct, D0.70ct, 7.6g, Size 14, with GIA Certificate](http://koufuku.jp/cdn/shop/files/2000000018591_3.jpg?v=1750401687&width=480)
![[Pre-owned] PT900 RUBY Ring R0.98ct D0.47ct NGL Cert. 4.9g #8](http://koufuku.jp/cdn/shop/files/2000000087863_3.jpg?v=1749178071&width=480)
![[Pre-owned] PT900 RUBY Ring R1.055ct D0.73ct 3.8g #13](http://koufuku.jp/cdn/shop/files/17495_01.jpg?v=1743141577&width=480)
![[Pre-owned] PT900 RUBY Ruby Ring R0.20ct D0.86ct 6.7g #11](http://koufuku.jp/cdn/shop/files/2000000011196_2.jpg?v=1746249798&width=480)
![[Pre-owned] PT900 RUBY Ruby Ring R0.36ct D0.08ct 3.6g #12](http://koufuku.jp/cdn/shop/files/2000000106847_2.jpg?v=1760667250&width=480)
![[Pre-owned] PT900 RUBY Ruby Ring R0.38ct D0.30ct CGL Sorting 4.6g #7](http://koufuku.jp/cdn/shop/files/2000000051512_3.jpg?v=1760667250&width=480)
![[Pre-owned] PT900 RUBY Ruby Ring R0.43ct R0.34ct D0.21ct 7g #12.5](http://koufuku.jp/cdn/shop/files/86019_01.jpg?v=1751706059&width=480)
![[Pre-owned] PT900 RUBY Ring R0.54ct D0.35ct with Identification Report 4.9g #6.5](http://koufuku.jp/cdn/shop/files/2000000070537_3.jpg?v=1745909411&width=480)
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![[Pre-owned] PT900 RUBY Ring R0.56ct D0.30ct 5.8g #8](http://koufuku.jp/cdn/shop/files/26640_01.jpg?v=1751706024&width=480)
![[Pre-owned] PT900 RUBY Ruby Ring R0.71ct D0.70ct 7.2g #11.5](http://koufuku.jp/cdn/shop/files/2000000087788_2.jpg?v=1749178071&width=480)
![[Pre-owned] PT900 RUBY Ring R1.03ct D0.39ct CGL Sorting 5.4g #12](http://koufuku.jp/cdn/shop/files/2000000126043_3.jpg?v=1765877429&width=480)
![[Pre-owned] PT900 RUBY Ring R2.525ct D0.72ct #9 7.9g with CGL (Central Gem Laboratory) Sorting](http://koufuku.jp/cdn/shop/files/2000000011943_3.jpg?v=1744858149&width=480)
![[Pre-owned] PT900 Burmese Ruby Ring, R1.41ct D0.29ct, Pigeon Blood, AIGS Certified, 6.9g, Size 12](http://koufuku.jp/cdn/shop/files/72999_01.jpg?v=1751706164&width=480)
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![[Pre-owned] PT900 Ruby Unheated Ruby Ring R1.297ct D0.832ct R0.643ct with GIA Report 10.9g](http://koufuku.jp/cdn/shop/files/2000000068664_3.jpg?v=1744950753&width=480)
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![[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)