Showing 1288 products
![[Used] PT900 PERIDOT Ring, P2.31ct, D0.35ct, 8.5g, #12.5](http://koufuku.jp/cdn/shop/files/2000000013701_2.jpg?v=1752392529&width=480)
![[Used] PT900 PINK TOURMALINE Pink tourmaline ring PT1.58ct D0.20ct 6.76g #12](http://koufuku.jp/cdn/shop/files/82431_01.jpg?v=1743142576&width=480)
![[Pre-owned] PT900 RUBELLITE TOURMALINE Rubellite Ring 3.51ct D0.21ct NGL Certificate 8.0g #9](http://koufuku.jp/cdn/shop/files/2000000087511_3.jpg?v=1752392450&width=480)
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![[Used] PT900 RUBY Ruby Ring R0.67ct D0.28ct 5.1g #12](http://koufuku.jp/cdn/shop/files/18829_01.jpg?v=1743141509&width=480)
![[Used] PT900 RUBY RING Ruby ring R0.56ct D0.08c t4.9g #11](http://koufuku.jp/cdn/shop/files/2000000117423_2.jpg?v=1766221258&width=480)
![[Used] PT900 RUBY RING Ruby Ring R0.72ct D0.57ct 5.2g #14](http://koufuku.jp/cdn/shop/files/2000000125657_2.jpg?v=1768444693&width=480)
![[Used] PT900 RUBY RING Ruby Ring R0.81ct Dia 7.3g #11.5](http://koufuku.jp/cdn/shop/files/2000000098654_2.jpg?v=1767585984&width=480)
![[Used] PT900 RUBY RING Ruby Ring R0.97ct D0.62ct 7.4g #11](http://koufuku.jp/cdn/shop/files/2000000048925_2.jpg?v=1768808640&width=480)
![[Used] PT900 RUBY RING Ruby Ring R1.416ct D0.80ct 7.8g #6 CGL Sorting](http://koufuku.jp/cdn/shop/files/2000000021928_2.jpg?v=1768808621&width=480)
![[Used] PT900 RUBY RING Ruby ring R4.967ct D1.39ct CGL differentiation book 10.4g #9](http://koufuku.jp/cdn/shop/files/2000000011554_3.jpg?v=1768444713&width=480)
![[Used] PT900 RUBY RING Ruby Ring R7.75ct D1.26ct AIGS Vivid Pinkish Red Identification Book 14.7g #12](http://koufuku.jp/cdn/shop/files/2000000022284_3.jpg?v=1768808621&width=480)
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![[Used] PT900 RUBY Burmese ruby ring R1.54ct D0.71ct #12 GRS certificate included](http://koufuku.jp/cdn/shop/files/2000000082493_3.jpg?v=1746247300&width=480)
![[Used] PT900 RUBY Ruby Ring, R0.98ct, D0.47ct, NGL 4.9g, #8](http://koufuku.jp/cdn/shop/files/2000000087863_3.jpg?v=1749178071&width=480)
![[Used] PT900 RUBY Ruby Ring R1.055ct D0.73ct 3.8g #13](http://koufuku.jp/cdn/shop/files/17495_01.jpg?v=1743141577&width=480)
![[Used] PT900 RUBY Ruby Ring R0.20ct D0.86ct 6.7g #11](http://koufuku.jp/cdn/shop/files/2000000011196_2.jpg?v=1746249798&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.
![[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] 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)
