Showing 1961 products
![[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] PT900 Paraiba Tourmaline Ring, PT0.26ct, D0.33ct, with CGL Appraisal, 3.7g, Size 11](http://koufuku.jp/cdn/shop/files/2000000025544_3.jpg?v=1762397786&width=480)
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![[Pre-owned] K18WG Ruby & Diamond Ring R2.40ct D0.33ct 7.0g #17](http://koufuku.jp/cdn/shop/files/2000000087269_2.jpg?v=1762397786&width=480)
![[Pre-owned] K18WG Black Opal Ring, BO 0.90ct, D 0.15ct, 2.7g, Size 13](http://koufuku.jp/cdn/shop/files/2000000036861_2.jpg?v=1762397785&width=480)
![[Pre-owned] K18YG Emerald Ring 2.6g #12](http://koufuku.jp/cdn/shop/files/2000000040998_2.jpg?v=1762397786&width=480)
![[Pre-owned] K18WG Indian Alexandrite Ring, A1.06ct D0.76ct, with GIA Report, 4.7g, Size 11.5](http://koufuku.jp/cdn/shop/files/2000000113135_3.jpg?v=1762397785&width=480)
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![[Used] K18YG PINK SAPPHIRE RING PS1.10ct D1.64ct 7.3g #12](http://koufuku.jp/cdn/shop/files/2000000042503_2.jpg?v=1762397786&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] K18YG JADEITE Jade Necklace 15.8g](http://koufuku.jp/cdn/shop/files/2000000099538_2.jpg?v=1762397785&width=480)
![[Pre-owned] K18YG Emerald Brooch/Pendant Necklace E3.45ct D0.19ct 8.5g](http://koufuku.jp/cdn/shop/files/2000000106779_2.jpg?v=1762397785&width=480)
![[Pre-owned] K18YG DIAMOND Ring D1.00ct 4.0g #11](http://koufuku.jp/cdn/shop/files/2000000053165_2.jpg?v=1762397785&width=480)
![[Pre-owned] K18WG Emerald Ring E1.885ct D1.14ct 7.0g #13](http://koufuku.jp/cdn/shop/files/2000000042312_2.jpg?v=1762397785&width=480)
![[Pre-owned] K18YG Tourmaline Rubellite (Red Tourmaline) Pendant Necklace RT6.445ct D1.98ct 13.7g](http://koufuku.jp/cdn/shop/files/2000000058276_2.jpg?v=1762397785&width=480)
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![[Used] K18WG SOUTH SEA PEARL RING 11.2mm 9.9mm D0.08ct 9.7g #13](http://koufuku.jp/cdn/shop/files/2000000094717_2.jpg?v=1762397785&width=480)
![[Pre-owned] PT900 SAPPHIRE Sapphire Ring S1.94ct D0.06ct 12.4g #11](http://koufuku.jp/cdn/shop/files/2000000114279_2.jpg?v=1762397785&width=480)
![[Pre-owned] K18WG JADEITE Ring J2.77ct D0.10ct 2.6g #13.5](http://koufuku.jp/cdn/shop/files/2000000036649_2.jpg?v=1762397785&width=480)
![[Pre-owned] K18WG Jadeite Ring, J2.633ct, D0.60ct, 5.5g, Size 13](http://koufuku.jp/cdn/shop/files/2000000040738_2.jpg?v=1762391181&width=480)
![[Used] K18YG EMERALD RING E1.054ct D0.75ct NGL Appraisal Report 4.2g #12](http://koufuku.jp/cdn/shop/files/2000000069852_3.jpg?v=1762391181&width=480)
![[Pre-owned] K18YG Ruby Ring R3.15ct D0.67ct 8.3g #9](http://koufuku.jp/cdn/shop/files/2000000014210_2.jpg?v=1762391180&width=480)
![[Pre-owned] K18WG Jadeite Ring J1.70ct D0.43ct 3.5g #16](http://koufuku.jp/cdn/shop/files/2000000040806_2.jpg?v=1762391177&width=480)
![[Pre-owned] MIKIMOTO 14K Yellow Gold Akoya Pearl Necklace 5.0-5.5mm 38.6g ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000043029_2.jpg?v=1762391176&width=480)
![[Pre-owned] PT900 TOURMALINE Green Tourmaline Ring T3.20ct D0.20ct 9.4g #14.5](http://koufuku.jp/cdn/shop/files/2000000106304_2.jpg?v=1762391176&width=480)
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![[Pre-owned] PT900 Tanzanite Ring T24.61ct D0.66ct 15.0g #13](http://koufuku.jp/cdn/shop/files/2000000020037_2.jpg?v=1762391162&width=480)
![[Pre-owned] K18YG Ruby Ring R4.17ct D0.24ct 6.5g #13](http://koufuku.jp/cdn/shop/files/2000000016276_2.jpg?v=1762391163&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)