Showing 1787 products
![[Pre-owned] PT900 EMERALD Ring E0.48ct D0.39ct 4.9g #12](http://koufuku.jp/cdn/shop/files/2000000007724_8.jpg?v=1752729165&width=480)
![[Pre-owned] PT900 EMERALD Ring E0.45ct D0.70ct 7.8g #13](http://koufuku.jp/cdn/shop/files/2000000005171_2.jpg?v=1750401687&width=480)
![[Pre-owned] PT900 EMERALD Ring E0.48ct D0.94ct 12.9g #18](http://koufuku.jp/cdn/shop/files/2000000065267_2.jpg?v=1767585991&width=480)
![[Pre-owned] PT900 Emerald Ring E0.53ct D0.68ct 5.8g](http://koufuku.jp/cdn/shop/files/2000000021850_8.jpg?v=1752729165&width=480)
![[Pre-owned] PT900 Emerald Ring E0.58ct D0.57ct 6.6g #15](http://koufuku.jp/cdn/shop/files/2000000009292_8.jpg?v=1768444653&width=480)
![[Pre-owned] PT900 EMERALD Ring E0.60ct D0.70ct 6.4g #15](http://koufuku.jp/cdn/shop/files/2000000009247_2.jpg?v=1747801134&width=480)
![[Pre-owned] PT900 EMERALD Ring E0.83ct D1.58ct 9.4g #11](http://koufuku.jp/cdn/shop/files/2000000013169_2.jpg?v=1750472222&width=480)
![[Pre-owned] PT900 EMERALD Ring E0.98ct D0.45ct 5.3g #7](http://koufuku.jp/cdn/shop/files/2000000089584_2.jpg?v=1750472222&width=480)
![[Pre-owned] PT900 EMERALD Ring E1.08ct D1.12ct 9.2g #13](http://koufuku.jp/cdn/shop/files/2000000014586_2.jpg?v=1767585887&width=480)
![[Pre-owned] Pt900 Emerald Ring, E1.59ct, D1.39ct, Muzo Mine, Colombia, with GRS certification](http://koufuku.jp/cdn/shop/files/2000000019840_9.jpg?v=1752729165&width=480)
![[Pre-owned] PT900 Emerald Ring, E1.665ct, D0.93ct, with NGL Sorting, 6.6g, Size 12](http://koufuku.jp/cdn/shop/files/2000000093864_2.jpg?v=1767585887&width=480)
![[Pre-owned] PT900 EMERALD Ring E2.02ct D1.69ct 10g](http://koufuku.jp/cdn/shop/files/2000000011394_2.jpg?v=1760678193&width=480)
![[Pre-owned] PT900 EMERALD Ring E2.39ct D0.48ct 6.9g #14.5](http://koufuku.jp/cdn/shop/files/2000000029955_2.jpg?v=1767585888&width=480)
![[Pre-owned] PT900 EMERALD RING E0.90ct D0.46ct 6.2g #13](http://koufuku.jp/cdn/shop/files/2000000125671_2.jpg?v=1766992784&width=480)
![[Pre-owned] PT900 EMERALD RING E0.93ct D0.76ct CGL Sorting 5.9g #13 Hand made](http://koufuku.jp/cdn/shop/files/2000000125916_3.jpg?v=1766801414&width=480)
![[Pre-owned] PT900 EMERALD RING E2.10ct D0.50ct D0.20ct 7.5g #8.5](http://koufuku.jp/cdn/shop/files/2000000127002_2.jpg?v=1766801414&width=480)
![[Pre-owned] PT900 Emerald Ring E1.04ct D0.45ct 6.8g #11.5](http://koufuku.jp/cdn/shop/files/2000000087856_2.jpg?v=1752392450&width=480)
![[Pre-owned] PT900 Emerald Ring, E1.293ct, D0.71ct, 5.7g, #9](http://koufuku.jp/cdn/shop/files/2000000018256_2.jpg?v=1762397786&width=480)
![[Pre-owned] PT900 Emerald Ring, E1.55ct D0.90ct, NGL Sorting, 11.3g, Size 11.5](http://koufuku.jp/cdn/shop/files/2000000094069_3.jpg?v=1767585887&width=480)
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![[Pre-owned] PT900 EMERALD Ring E16.55ct D1.98ct 19.3g #13](http://koufuku.jp/cdn/shop/files/2000000020174_2.jpg?v=1785993852&width=480)
![[Pre-owned] PT900 Emerald Ring E2.43ct D0.72ct 7.4g #9](http://koufuku.jp/cdn/shop/files/2000000089683_2.jpg?v=1767585888&width=480)
![[Pre-owned] PT900 Emerald Ring E3.73ct D0.39ct 6.6g #12](http://koufuku.jp/cdn/shop/files/2000000015422_2.jpg?v=1767585887&width=480)
![[Pre-owned] PT900 EMERALD Ring E4.269ct D0.57ct with Appraisal Report, 7.5g, Size #13](http://koufuku.jp/cdn/shop/files/2000000027319_2.jpg?v=1765175629&width=480)
![[Pre-owned] PT900 EMERALD RING E2.66ct D0.55ct 8.1g #14](http://koufuku.jp/cdn/shop/files/2000000122038_2.jpg?v=1767585991&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)