Gems, Jewelry, and Precious Metals
Showing 1929 products
![[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 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] K18YG Emerald & Diamond Ring 6.1g #12.5](http://koufuku.jp/cdn/shop/files/2000000052861_2.jpg?v=1762391100&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] 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] 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] 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] 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] K14YG Black Pearl Pendant Necklace, P7.1mm, 8.7g](http://koufuku.jp/cdn/shop/files/2000000099446_2.jpg?v=1762391100&width=480)
![[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] K18YG Diamond & Sapphire Ring D1.13ct S1.09ct 11.5g #12.5](http://koufuku.jp/cdn/shop/files/2000000115429_2.jpg?v=1762391100&width=480)
![[Pre-owned] CHANEL K18WG Diamond Bracelet 43.8g 15.5cm ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000015125_2.jpg?v=1762391101&width=480)
![[Pre-owned] K18WG Chalcedony Pendant Necklace C21.90ct D0.28ct 7.6g](http://koufuku.jp/cdn/shop/files/2000000076676_2.jpg?v=1762391101&width=480)
![[Pre-owned] K18YG Mabe Pearl Pendant Necklace 8.8g](http://koufuku.jp/cdn/shop/files/2000000024516_2.jpg?v=1762391101&width=480)
![[Pre-owned] CARRERA Y CARRERA K18YG Pendant Necklace 19.2g ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000027647_2.jpg?v=1762391100&width=480)
![[Pre-owned] GUCCI K18WG Separate Cross Necklace 9.4g ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000014623_2.jpg?v=1762391103&width=480)
![[Used] K18YG EMERALD RING Emerald Ring E3.24ct D1.52ct JSL Appraisal Report 13.0g #12.5](http://koufuku.jp/cdn/shop/files/2000000112510_3.jpg?v=1762391102&width=480)
![[Pre-owned] K18/PT900 Diamond Ring 0.378ct 5.40g #9](http://koufuku.jp/cdn/shop/files/2000000038957_2.jpg?v=1762391102&width=480)
![[Pre-owned] K18WG Emerald Ring E2.47ct D0.87ct 6.4g #13](http://koufuku.jp/cdn/shop/files/2000000036656_2.jpg?v=1762391103&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] K18WG Jadeite Ring, J6.47ct D0.76ct, 6.1g, Size 14](http://koufuku.jp/cdn/shop/files/2000000044132_2.jpg?v=1762391101&width=480)
![[Used] K18WG NO-HEAT RUBY RING Unheated Ruby Ring R1.03ct D0.85ct AIGS Pigeon Blood Gemological Report 3.6g #13.5](http://koufuku.jp/cdn/shop/files/2000000034621_3.jpg?v=1762391103&width=480)
![[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)