Showing 1787 products
![[Pre-owned] PT850/PT900 PINK DIAMOND Necklace 0.111ct FLPP D0.18ct with CGL Sorting, 3.4g](http://koufuku.jp/cdn/shop/files/2000000037967_3.jpg?v=1762391062&width=480)
![[Pre-owned] PT850/PT900 Burmese No-Heat Ruby Pendant Necklace R2.00ct D2.06ct 15.7g with GIA Report](http://koufuku.jp/cdn/shop/files/2000000074184_3.jpg?v=1771665152&width=480)
![Used] PT850/PT900 RUBY Burma Ruby Pendant Necklace R1.30ct D0.62ct GRS Certificate 7.7g](http://koufuku.jp/cdn/shop/files/2000000035277_3.jpg?v=1771814807&width=480)
![[Pre-owned] PT850/PT900 RUBY Ruby Pendant Necklace R0.40ct D0.20ct 5.3g](http://koufuku.jp/cdn/shop/files/2000000015996_2.jpg?v=1762391062&width=480)
![[Pre-owned] PT850/PT900 Ruby Pendant Necklace R0.31ct D0.13ct 5.0g](http://koufuku.jp/cdn/shop/files/2000000114071_2.jpg?v=1765161884&width=480)
![[Used] PT850/PT900 SAPPHIRE Unheated Burmese Sapphire Pendant Necklace S4.11ct D1.36ct GIA Certificate 9.3g](http://koufuku.jp/cdn/shop/files/2000000023151_3.jpg?v=1771814815&width=480)
![[Pre-owned] PT900 AKOYA PEARL OBIDOME, Akoya Pearl 7.0mm, D0.06ct, 17.9g](http://koufuku.jp/cdn/shop/files/2000000003986_2.jpg?v=1768444693&width=480)
![[Pre-owned] PT900 Akoya Pearl Ring 9.2mm D 0.26ct 6.2g #13.5](http://koufuku.jp/cdn/shop/files/2000000026299_2.jpg?v=1746179569&width=480)
![[Pre-owned] PT900 ALEXANDRITE RING 1.018ct D0.30ct 6.6g #12 ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000137520_2.jpg?v=1789100535&width=480)
![[Used] PT900 ALEXANDRITE RING Alexandrite Ring A1.84ct D1.00ct 5.4g #11.5](http://koufuku.jp/cdn/shop/files/2000000090757_2.jpg?v=1768197670&width=480)
![[Pre-owned] PT900 ALEXANDRITE RING A2.73ct D1.66ct GIA Report 10.7g #13](http://koufuku.jp/cdn/shop/files/2000000143125_3.jpg?v=1785995379&width=480)
![[Pre-owned] PT900 Alexandrite Ring, A0.62ct, D0.74ct, 9.6g, with GIA Report, Origin: Brazil](http://koufuku.jp/cdn/shop/files/2000000014173_3.jpg?v=1741931451&width=480)
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![[Pre-owned] PT900 Alexandrite Ring, A2.58ct D0.50ct, 5.5g, GIA](http://koufuku.jp/cdn/shop/files/2000000022819_3.jpg?v=1740051123&width=480)
![[Pre-owned] PT900 Alexandrite Ring, A0.176ct, D0.24ct, 3.9g, Size 12](http://koufuku.jp/cdn/shop/files/2000000085999_2.jpg?v=1752392450&width=480)
![[Pre-owned] PT900 Alexandrite Ring, A1.43ct D1.20ct, with GIA Report, 5.6g, Size 12](http://koufuku.jp/cdn/shop/files/2000000017662_3.jpg?v=1752392528&width=480)
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![[Pre-owned] PT900 Alexandrite Ring, A0.22ct, D0.39ct, with Sorting, 5.0g, Size 12.5](http://koufuku.jp/cdn/shop/files/2000000017693_3.jpg?v=1767585888&width=480)
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![[Pre-owned] PT900 ALEXANDRITE Ring A0.31ct D0.46ct 5.2g #8](http://koufuku.jp/cdn/shop/files/2000000015408_2.jpg?v=1765159205&width=480)
![[Pre-owned] PT900 Alexandrite Ring A1.03ct D0.60ct with Sorting, 8.3g, Size 12](http://koufuku.jp/cdn/shop/files/2000000017938_3.jpg?v=1765161865&width=480)
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![[Pre-owned] PT900 AQUAMARINE RING AQ20.33ct D0.56ct CGL Sorting 17.1g #13](http://koufuku.jp/cdn/shop/files/2000000012841_3.jpg?v=1785995142&width=480)
![[Pre-owned] PT900 AQUAMARINE RING AQ4.35ct D0.23ct 7.5g #9](http://koufuku.jp/cdn/shop/files/2000000145921_2.jpg?v=1788154109&width=480)
![[Pre-owned] PT900 AQUAMARINE Ring, Aquamarine 8.31ct, Diamond 0.47ct, 9.3g, Size 13](http://koufuku.jp/cdn/shop/files/2000000083001_2.jpg?v=1752392449&width=480)
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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)