Showing 1961 products
![[Pre-owned] SEIKO K18WG DIAMOND Diamond Pendant Necklace D1.00ct 4.9g ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000033587_2.jpg?v=1762391100&width=480)
![[Pre-owned] K14YG Black Pearl Pendant Necklace, P7.1mm, 8.7g](http://koufuku.jp/cdn/shop/files/2000000099446_2.jpg?v=1762391100&width=480)
![[Pre-owned] K18WG Jadeite Ring J4.31ct D1.50ct 5.6g #13.5](http://koufuku.jp/cdn/shop/files/2000000039404_2.jpg?v=1762391100&width=480)
![[Pre-owned] K18YG Emerald & Diamond Ring E0.56ct D0.75ct 8.0g #15](http://koufuku.jp/cdn/shop/files/2000000040257_2.jpg?v=1762391100&width=480)
![[Pre-owned] MIKIMOTO K18 Akoya Pearl Necklace, 8.0 - 8.5mm, 41.7g, 45cm, ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000020617_2.jpg?v=1762391100&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] MIKIMOTO 18K Yellow Gold Akoya Pearl Ring with Diamond, 4.2g, Size 10, Fixed Price](http://koufuku.jp/cdn/shop/files/2000000106885_2.jpg?v=1762391099&width=480)
![[Pre-owned] PT900 Jadeite Ring D1.105ct 13.5g #11.5](http://koufuku.jp/cdn/shop/files/2000000093000_2.jpg?v=1762391100&width=480)
![[Pre-owned] K18YG Emerald & Diamond Ring 6.1g #12.5](http://koufuku.jp/cdn/shop/files/2000000052861_2.jpg?v=1762391100&width=480)
![[Pre-owned] K18YG Emerald Ring E0.17ct D0.26ct 4.5g #11](http://koufuku.jp/cdn/shop/files/DSC_1990_6a68f3bf-17a7-400d-80f6-f2ab14af4719.jpg?v=1775180286&width=480)
![[Pre-owned] T&Co. Tiffany & Co. K18YG T TWO Bracelet 2.9g ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000006598_2.jpg?v=1762391063&width=480)
![[Pre-owned] K18YG Tourmaline Black Tourmaline Bead Bracelet 11.8g](http://koufuku.jp/cdn/shop/files/2000000080802_2.jpg?v=1762391062&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 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 South Sea Pearl Pendant Necklace 13.6mm D0.71ct 10.5g](http://koufuku.jp/cdn/shop/files/2000000019512_2.jpg?v=1762391063&width=480)
![[Pre-owned] PT850 Aquamarine Pendant Necklace AQ3.70ct D0.13ct 8.9g](http://koufuku.jp/cdn/shop/files/2000000106229_2.jpg?v=1762336636&width=480)
![[Pre-owned] K18WG Emerald Ring E5.93ct D0.16ct 5.2g #14](http://koufuku.jp/cdn/shop/files/2000000036168_2.jpg?v=1762316313&width=480)
![[Pre-owned] K18WG Jadeite Ring J1.93ct D1.66ct 6.5g #13.5](http://koufuku.jp/cdn/shop/files/2000000039411_2.jpg?v=1762316313&width=480)
![[Pre-owned] K18WG Diamond Bracelet D0.92ct 11.5g 18cm](http://koufuku.jp/cdn/shop/files/2000000030197_2.jpg?v=1762316313&width=480)
![[Pre-owned] K18WG Emerald Ring, E1.28ct, D0.75ct, 4.9g, Size 13.5](http://koufuku.jp/cdn/shop/files/2000000039176_2.jpg?v=1762316313&width=480)
![[Pre-owned] K18WG EMERALD Ring E2.40ct D0.26ct 2.9g #13.5](http://koufuku.jp/cdn/shop/files/2000000036212_2.jpg?v=1762316313&width=480)
![[Pre-owned] PT900 EMERALD Ring E0.67ct D0.21ct with Sorting Memo, 5.0g, Size #14](http://koufuku.jp/cdn/shop/files/2000000007632_3.jpg?v=1762316313&width=480)
Sold Out
![[Pre-owned] K18WG Colombian Non-oil Emerald Ring E3.06ct D0.48ct, includes GIA report, 6.8g](http://koufuku.jp/cdn/shop/files/2000000043296_3.jpg?v=1762316313&width=480)
Sold Out
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)