Showing 1787 products
![[Pre-owned] PT850 Emerald Ring E3.33ct D1.79ct 11.5g #7](http://koufuku.jp/cdn/shop/files/2000000073644_2.jpg?v=1765175629&width=480)
![[Pre-owned] PT850 RUBY Pendant Necklace R0.62ct D0.67ct 10.5g](http://koufuku.jp/cdn/shop/files/2000000058016_2.jpg?v=1762397786&width=480)
![[Pre-owned] PT850 Ruby Ring, R0.50ct, D0.16ct, CGL Sorting, 2.6g, Size 12](http://koufuku.jp/cdn/shop/files/9902_01.jpg?v=1751706134&width=480)
![[Pre-owned] PT850 Ruby Ring, R0.90ct D0.84ct, with GGS Certificate, 6.3g, Size 15](http://koufuku.jp/cdn/shop/files/2000000071077_2.jpg?v=1745909490&width=480)
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![[Pre-owned] PT850 SAPPHIRE Golden Sapphire Ring GS2.34ct D0.55ct 4.7g #15](http://koufuku.jp/cdn/shop/files/2000000108537_2.jpg?v=1762391161&width=480)
![[Pre-owned] PT850 SAPPHIRE RING S0.96ct D0.16ct 10.7g #11](http://koufuku.jp/cdn/shop/files/2000000088747_2.jpg?v=1762391099&width=480)
![[Pre-owned] PT850 Star Sapphire Pendant Necklace SS5.75ct D0.51ct 13.2g](http://koufuku.jp/cdn/shop/files/2000000074542_2.jpg?v=1765161865&width=480)
![[Pre-owned] PT850 Necklace 20.9g](http://koufuku.jp/cdn/shop/files/2000000086125_2.jpg?v=1765161885&width=480)
![[Pre-owned] PT850/K18/PT900 SAPPHIRE NECKLACE Sapphire Pendant Necklace S0.55ct D0.59ct 9.9g 40cm](http://koufuku.jp/cdn/shop/files/2000000130774_2.jpg?v=1787904453&width=480)
![[Pre-owned] PT850/PT900 ALEXANDRITE Pendant Necklace A1.132ct D0.59ct with Identification Report, 3.9g](http://koufuku.jp/cdn/shop/files/2000000017631_2.jpg?v=1762397786&width=480)
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![[Pre-owned] PT850/PT900 Aquamarine Pendant Necklace, AQ2.13ct, D0.94ct, 34.8g](http://koufuku.jp/cdn/shop/files/DSC_6554.jpg?v=1771668126&width=480)
![[Pre-owned] PT850/PT900 AQUAMARINE Pendant Necklace AQ55.91ct D0.96ct 21.5g](http://koufuku.jp/cdn/shop/files/2000000097985_2.jpg?v=1765161777&width=480)
![[Pre-owned] PT850/PT900 Black Opal Pendant Necklace, BO0.58ct D0.32ct, 4.4g](http://koufuku.jp/cdn/shop/files/2000000013886_2.jpg?v=1765161865&width=480)
![[Pre-owned] PT850/PT900 BLACK OPAL Pendant Necklace, BO9.41ct, D0.17ct, with Japan Jewelry Association (Nisseikyo) Sorting, 11.2g](http://koufuku.jp/cdn/shop/files/2000000018928_3.jpg?v=1762391103&width=480)
![[Pre-owned] PT850/PT900 DIAMOND Necklace, Diamond Pendant Necklace, 2.02ct, F Color, SI2 Clarity, Good Cut, CGL Sorting, 5.0g](http://koufuku.jp/cdn/shop/files/2000000115849_3.jpg?v=1765161777&width=480)
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![[Pre-owned] PT850/PT900 DIAMOND Marquise Cut Diamond Pendant Necklace 0.261ct 0.285ct 0.321ct 3.4g](http://koufuku.jp/cdn/shop/files/2000000087764_2.jpg?v=1769398644&width=480)
![[Pre-owned] PT850/PT900 Diamond Pendant Necklace, 0.519ct, D0.094ct, 7.5g](http://koufuku.jp/cdn/shop/files/2000000018492_2.jpg?v=1763175991&width=480)
![[Pre-owned] PT850/PT900 Emerald Pendant Necklace E0.55ct D0.24ct 4.6g](http://koufuku.jp/cdn/shop/files/2000000090160_2.jpg?v=1765163849&width=480)
![[Used] PT850/PT900 JADEITE NECKLACE Jade (Hisui) Pendant Necklace J0.34ct D2.601ct 10.6g](http://koufuku.jp/cdn/shop/files/2000000005805_2.jpg?v=1762397785&width=480)
![[Pre-owned] PT850/PT900 Padparadscha Sapphire Pendant Necklace 0.757ct, D0.06ct, with CGL Appraisal Report, 3.8g](http://koufuku.jp/cdn/shop/files/2000000029160_3.jpg?v=1765161776&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)